Exam 1: Functions and Their Graphs

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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting. - f(x)=x3f(x)=-x^{3}  Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting. - f(x)=-x^{3}

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Solve the problem. -If a rock falls from a height of 70 meters on Earth, the height H\mathrm { H } (in meters) after x\mathrm { x } seconds is approximately H(x)=704.9x2\mathrm { H } ( \mathrm { x } ) = 70 - 4.9 \mathrm { x } ^ { 2 } When does the rock strike the ground? Round to the nearest hundredth, if necessary.

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Graph the function. - f(x)=x3f ( x ) = \sqrt [ 3 ] { x }  Graph the function. - f ( x ) = \sqrt [ 3 ] { x }

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The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval. - (1,x)(1, x)  The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval. - (1, x)

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Graph the function. - f(x)={x+2x<0x+3x0f(x)=\left\{\begin{array}{ll}-x+2 & x<0 \\\sqrt{x}+3 & x \geq 0\end{array}\right.  Graph the function. - f(x)=\left\{\begin{array}{ll} -x+2 & x<0 \\ \sqrt{x}+3 & x \geq 0 \end{array}\right.

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Choose the one alternative that best completes the statement or answers the question. -A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the height of the silo is 66 feet and the radius of the hemisphere is rr feet, express the volume of the silo as a function of rr .

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Find the domain of the function. - f(x)=24xf ( x ) = \sqrt { 24 - x }

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For the given functions f and g, find the requested function and state its domain. - f(x)=9x5;g(x)=4x8f ( x ) = 9 x - 5 ; g ( x ) = 4 x - 8 Find fg\mathrm { f } - \mathrm { g } .

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The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval. - (0,1)( 0,1 )  The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval. - ( 0,1 )

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Find the domain of the function. - xx2\frac { x } { \sqrt { x - 2 } }

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Choose the one alternative that best completes the statement or answers the question. -A rocket is shot straight up in the air from the ground at a rate of 80 feet per second. The rocket is tracked by a range finder that is 431 feet from the launch pad. Let dd represent the distance from the rocket to the range finder and t represent the time, in seconds, since "blastoff". Express d\mathrm { d } as a function of tt

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Find the value for the function. -Find f(x+h)f ( x + h ) when f(x)=2x2+3x3f ( x ) = 2 x ^ { 2 } + 3 x - 3

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Choose the one alternative that best completes the statement or answers the question. Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting. - f(x)=x6+3f(x)=\sqrt{x-6}+3  Choose the one alternative that best completes the statement or answers the question. Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting. - f(x)=\sqrt{x-6}+3

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Match the function with the graph that best describes the situation. -The amount of rainfall as a function of time, if the rain fell more and more softly.

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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting. - f(x)=xf(x)=-|x|  Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting. - f(x)=-|x|

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Answer the question about the given function. -  Given the function f(x)=2x24x+3, is the point (2,1) on the graph of f ? \text { Given the function } f ( x ) = - 2 x ^ { 2 } - 4 x + 3 \text {, is the point } ( - 2 , - 1 ) \text { on the graph of } f \text { ? }

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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting. - f(x)=5xf(x)=5 \sqrt{x}  Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting. - f(x)=5 \sqrt{x}

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