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1. |
Which is the graph of f(x) = |x| - 4 and its inverse? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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2. |
Suppose I = 0.05(0.6G - 400), where G = the gross monthly pay and
I = the amount of the investment. Determine the equation which represents the inverse process. |
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A. |
G =  |
B. |
G =  |
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C. |
G =  |
D. |
G =  |
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Hint |
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3. |
Given the function f(x) =  , find the inverse. |
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A. |
f -1(x) = 1  |
B. |
f -1(x) =  |
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C. |
f -1(x) = x - 4 |
D. |
f -1(x) = 4 |
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Hint |
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4. |
Given the function f(x) = , is the inverse a function? How do you know? |
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A. |
No, this function passes the horizontal line test. |
B. |
No, this function fails the horizontal line test. |
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C. |
Yes, this function passes the vertical line test. |
D. |
Yes, this function fails the horizontal line test. |
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Hint |
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5. |
Given the function f(x) = x2 - 8x + 16, is the inverse a function? How do you know? |
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A. |
No, fails the horizontal line test. |
B. |
Yes, fails the horizontal line test. |
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C. |
No, fails the vertical line test. |
D. |
Yes, passes the vertical line test. |
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Hint |
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