Exam 2: Functions

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Find the domain and graph the function. - g(x)=93xx2g(x)=-9-3 x-x^{2}  Find the domain and graph the function. - g(x)=-9-3 x-x^{2}

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Determine an appropriate viewing window for the given function and use it to display its graph. - f(x)=x5x3+x2+4f ( x ) = x ^ { 5 } - x ^ { 3 } + x ^ { 2 } + 4  Determine an appropriate viewing window for the given function and use it to display its graph. - f ( x ) = x ^ { 5 } - x ^ { 3 } + x ^ { 2 } + 4

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Determine an appropriate viewing window for the given function and use it to display its graph. - f(x)=x3x24f ( x ) = \frac { x ^ { 3 } } { x ^ { 2 } - 4 }  Determine an appropriate viewing window for the given function and use it to display its graph. - f ( x ) = \frac { x ^ { 3 } } { x ^ { 2 } - 4 }

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State the domain and range of the function. - f(x)=6ex+1f ( x ) = - 6 e ^ { - x } + 1

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Solve the problem. -If f(x)=3x+8f ( x ) = 3 x + 8 and g(x)=2x1g ( x ) = 2 x - 1 , find f(g(x))f ( g ( x ) ) .

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Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse. -Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse. -

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Graph the function. Determine the symmetry, if any, of the function. - y=2xy=2 \sqrt{x}  Graph the function. Determine the symmetry, if any, of the function. - y=2 \sqrt{x}

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Graph the function. Determine the symmetry, if any, of the function. - y=(x)5/2y=(-x)^{5 / 2}  Graph the function. Determine the symmetry, if any, of the function. - y=(-x)^{5 / 2}

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Find the inverse of the function. - f(x)=(x5)2,x5f ( x ) = ( x - 5 ) ^ { 2 } , x \geq 5

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Graph the function. -  Graph the lower branch of the hyperbola y24x2=1\text { Graph the lower branch of the hyperbola } y ^ { 2 } - 4 x ^ { 2 } = 1 \text {. }  Graph the function. - \text { Graph the lower branch of the hyperbola } y ^ { 2 } - 4 x ^ { 2 } = 1 \text {. }

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Simplify the expression. - elnx+lny\mathrm { e } ^ { \ln x + \ln y }

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One of sin x, cos x, and tan x is given. Find the other two if x lies in the specified interval. - sinx=32,x\sin x = - \frac { \sqrt { 3 } } { 2 } , \quad x in [π2,0]\left[ - \frac { \pi } { 2 } , 0 \right]

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Use the laws of exponents to simplify. Do not use negative exponents in your answer. - 98/1393/13\frac { 9 ^ { 8 / 13 } } { 9 ^ { - 3 / 13 } }

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Determine from its graph if the function is one-to-one. - f(x)={1+x5,x0xx5,x<0f ( x ) = \left\{ \begin{array} { l l } 1 + \frac { x } { 5 } , & x \geq 0 \\\frac { x } { x - 5 } , & x < 0\end{array} \right.

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Assume that f is an even function, g is an odd function, and both f and g are defined on the entire real line. State whether the combination of functions (where defined) is even or odd. - fgf \circ g

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Rewrite the ratio as a ratio of natural logarithms and simplify. - log243xlog3x\frac { \log _ { 243 } x } { \log 3 x }

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Solve the problem. -The table shows the average weight for women of medium frame based on height. Find a regression line for the data. Height (in.) Weight (lb) 60 118 61 120 62 125.5 63 129 64 133 65 136.5 66 138 67 142 68 144 69 147

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Use a graph to find an approximate solution to the equation. Round to the nearest thousandth. - 63x=8x+16 ^ { 3 x } = 8 ^ { x + 1 }

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Graph the function. - y=1x24y = \frac { 1 } { x ^ { 2 } } - 4  Graph the function. - y = \frac { 1 } { x ^ { 2 } } - 4

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Match the equation with its graph. - y=x3y = x ^ { 3 }

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