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WorksheetsChapter 6 Quiz Review
Total questions: 11
Worksheet time: 22mins
Given f(x)=x2 + 3x - 5 and g(x)=2x + 1, find (f+g)(x).
x2 + x - 6
-x2 + 5x + 4
2x2 + 4x - 5
x2 + 5x - 4
Given f(x)=x2 + 3x - 4 and g(x)=x - 1 and x cannot be 1, find (f/g)(x). Hint: factor the top equation and cancel.
x + 4
x + 7
x + 2
x + 3
If f(x) = {(2,3), (4,8), (7,-1)} and g(x)={(8,2), (-1,4), (2,7)} find fog(x) if it exists.
{(-1,3), (8,8), (2,-1)}
{(8,3), (-1,8), (2,-1)}
{(2,3), (-1,8), (8,-1)}
does not exist
Find the inverse of f(x)=2x + 5
f-1(x) = (x-2)/5
f-1(x) = (x-5)/2
f-1(x) = (x+2)/5
f-1(x) = (x+5)/2
Identify the x-intercept for the equation above. Hint: x-intercept is when y = 0.
1/2
0
-1/2
2
Identify the domain for the graph:
x > -3
x > 3
x < -1/3
x > -1/3
Find the inverse of the function
p(x) = 4x - 8
p-1(x) = 8x - 4
p-1(x) = 2x - 4
p-1(x) = (x - 8)/4
p-1(x) = (x + 8)/4
Which graph has the function f(x) = 4x -2 and its inverse graphed.
Determine whether g(x) = 3x - 6 and f(x) = 1/3x + 2 are inverse functions
yes
no
Determine whether the function f(x) = (x - 4)/5 and g(x) = 4x - 5 are inverses of each other.
yes
no
If f(x) = 3x - 2 and g(x) = x2 + 1, find f[g(-3)].
-26
28
121
50
