Exam 1: Linear Functions and Change

arrow
  • Select Tags
search iconSearch Question
  • Select Tags

The following figure gives lines A,B,C,DA, B, C, D , and EE . Their equations are given below. Which is the equation for line EE ?  The following figure gives lines  A, B, C, D , and  E . Their equations are given below. Which is the equation for line  E  ?

(Multiple Choice)
4.8/5
(32)

One of the functions represented in the table below is linear. What is its vertical intercept? One of the functions represented in the table below is linear. What is its vertical intercept?

(Short Answer)
4.9/5
(34)

The distance traveled by a car is D(t)=65tD(t)=65 t miles, where tt is the number of hours driven. What is the meaning of the number 65? (Mark all that apply)

(Multiple Choice)
4.8/5
(36)

Is the function graphed in the following figure increasing or decreasing on the interval 5 <x<7<\mathrm{x}<7 ?  Is the function graphed in the following figure increasing or decreasing on the interval 5  <\mathrm{x}<7  ?

(Short Answer)
4.8/5
(41)

Are the lines represented by these equations parallel? Perpendicular? Or neither? 9 x+8 y=2 8 x+9 y=4

(Multiple Choice)
4.9/5
(29)

Determine the intersection of the linear functions Determine the intersection of the linear functions

(Short Answer)
4.8/5
(26)

Suppose there are 110 people living in a small town and the rate of change of the town's population is 6 people per year. How many people will be living in the town twenty years from now?

(Short Answer)
4.8/5
(43)

If f(x)f(x) is an increasing function, which of the following must be true.

(Multiple Choice)
4.8/5
(33)

Using the following figure, find the average rate of change of ff for 1<x<21<x<2 .  Using the following figure, find the average rate of change of  f  for  1<x<2 .

(Short Answer)
4.9/5
(29)

In the following figure, let A=8A=8 and B=4B=4 . Find the equation of the line through (A(A , B)B) and (P,0)(P, 0) and use it to find the value of PP .  In the following figure, let  A=8  and  B=4 . Find the equation of the line through  (A ,  B)  and  (P, 0)  and use it to find the value of  P .

(Short Answer)
4.9/5
(36)

The formula for the line intersecting the graph of f(x)=1xf(x)=\frac{1}{x} at x=0.2x=0.2 and x=2x=2 is given by y=b+mxy=b+m x , where b=―――b=――― and m=―――m=―――

(Short Answer)
4.8/5
(30)

Let y=p(x)y=p(x) be defined by the following graph. What is p(0)p(0) ?  Let  y=p(x)  be defined by the following graph. What is  p(0)  ?

(Short Answer)
4.8/5
(35)

What is the vertical intercept of the line ll in the following figure in terms of the constants AA and BB ?  What is the vertical intercept of the line  l  in the following figure in terms of the constants  A  and  B  ?

(Multiple Choice)
4.9/5
(25)

The following table shows the cost of a taxi ride, in dollars, as a function of miles traveled. Assume a linear relationship.  The following table shows the cost of a taxi ride, in dollars, as a function of miles traveled. Assume a linear relationship.     Estimate  C(2.5) . Estimate C(2.5)C(2.5) .

(Short Answer)
4.7/5
(39)

Match the graph to the linear inequality it represents. Match the graph to the linear inequality it represents.

(Multiple Choice)
4.8/5
(30)

Suppose that f(x)f(x) is linear with an xx -intercept of -1 and a yy -intercept of 5. If f(x)=b+mxf(x)=b+m x , then b=―――b=――― and m=―――m=―――

(Short Answer)
4.8/5
(39)

Mark all of the following functions that are neither increasing nor decreasing.

(Multiple Choice)
4.8/5
(39)

Write the relationship of population, PP , as a function of time, tt , in years using function notation. Assume a direct relationship.

(Multiple Choice)
4.8/5
(30)

Could the following table represent a linear function? Could the following table represent a linear function?

(True/False)
4.9/5
(35)

The following table shows the cost of a taxi ride, in dollars, as a function of miles traveled. Assume a linear relationship.  The following table shows the cost of a taxi ride, in dollars, as a function of miles traveled. Assume a linear relationship.     If  C(m)=9.5 , estimate  m  to 1 decimal place. If C(m)=9.5C(m)=9.5 , estimate mm to 1 decimal place.

(Short Answer)
4.9/5
(34)
Showing 41 - 60 of 148
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)