A)
B)
C)
D)
Find the slope of the line that goes through the given points.
192)
(5, –7), (–8, –2)
192)
A)
–13
5
B)
– 2
C)
–1
2
D)
–5
13
D
For the given functions f and g , find the indicated composition.
193)
f(x) = – 4x + 2,g(x) =5x + 8
(g
f)(x)
193)
A)
–20x + 34
B)
–20x + 18
C)
20x + 18
D)
–20x – 2
B
94
A
Given functions f and g, perform the indicated operations.
194)
f(x) =5x – 2,g(x) =6x + 3
Find fg.
194)
A)
30x2– 9x – 6
B)
30x2– 6
C)
30x2+ 3x – 6
D)
11x2+ 3x + 1
Use the graph of the function f, plotted with a solid line, to sketch the graph of the given function g.
195)
g(x) = – f(x) + 1
y = f(x)
195)
A)
B)
C)
D)
95
Solve the problem.
196)
Suppose a car rental company charges $88 for the first day and $38 for each additional or partial
day. Let S(x) represent the cost of renting a car for x days. Find the value of S(4.5).
196)
A)
$171
B)
$221
C)
$259
D)
$240
Find the midpoint of the line segment whose end points are given.
197)
(4, 6) and (5, 1)
197)
A)
(9
2, 7
2)
B)
(–1, 5)
C)
(–1
2, 5
2)
D)
(9, 7)
A
Graph the equation.
198)
–5y + 2x + 11 = 0
198)
A)
B)
96
D
C)
D)
Find an equation for the line with the given properties.
199)
The solid line L contains the point (2, 5) and is parallel to the dotted line whose equation is y =2x.
Give the equation for the line L in slope–intercept form.
199)
A)
y = 2x + b
B)
y =2x + 3
C)
y =2x + 1
D)
y – 5 =2(x –2)
Use the given conditions to write an equation for the line in slope–intercept form.
200)
Passing through (1, –8) and (–7, 8)
200)
A)
y = – 2x – 6
B)
y + 8 = – 2(x – 1)
C)
y = mx – 6
D)
y =2x – 6
Find and simplify the difference quotient f(x +
h) – f(x)
h, h
0 for the given function.
201)
f(x) =3x – 7
201)
A)
0
B)
3
C)
3+
–14
h
D)
3+6(x – 7)
h
Begin by graphing the standard quadratic function f(x) =x2 . Then use transformations of this graph to graph the given
function.
202)
h(x) =(x – 3)2+ 4
202)
A)
B)
C)
D)
Begin by graphing the standard function f(x) =x3 Then use transformations of this graph to graph the given function.
203)
g(x) =x3+ 2
203)
A)
B)
C)
D)
99
Find the average rate of change of the function from x1 to x2.
204)
f(x) = – 3x2– x from x1= 5 to x2= 6
204)
A)
–2
B)
1
2
C)
–34
D)
–1
6
D)
Identify the intercepts.
205)
205)
A)
(6, 0), (–6, 0), (0, 0)
B)
(0, –6)
C)
(6, 0), (–6, 0), (0, –6)
D)
(6, 0), (–6, 0)
C
D)
C
Answer Key
Testname: C2
101
Answer Key
Testname: C2
Answer Key
Testname: C2
103
Answer Key
Testname: C2
Answer Key
Testname: C2