Find the requested value for the given functions.f(x) = x + 6, g(x) = x - 10 Find (f ? g)(x) and (f ? g)(7).

A. (f ? g)(x) = x2 + 4x - 60; (f ? g)(7) = 17
B. (f ? g)(x) = x2 + 16x + 60; (f ? g)(7) = 221
C. (f ? g)(x) = x2 - 4x - 60; (f ? g)(7) = -39
D. (f ? g)(x) = x2 - 4x + 60; (f ? g)(7) = 81


Answer: C

Mathematics

You might also like to view...

Two dice are rolled. Find the probability of the event described.The score on the dice is either 6 or 12.

A.
B.
C.
D.

Mathematics

Graph the function.y = 4 cos 

A.

B.

C.

D.

Mathematics

For the experiment described, write the indicated event in set notation.A die is tossed twice with the tosses recorded as an ordered pair. Represent the following event as a subset of the sample space: Both tosses show an even number.

A. {(2, 2), (2, 4), (2, 6)} B. {(2, 4), (2, 6), (4, 2), (4, 6), (6, 2), (6, 4)} C. {(2, 2), (4, 4), (6, 6)} D. {(2, 2), (2, 4), (2, 6), (4, 2), (4, 4), (4, 6), (6, 2), (6, 4), (6, 6)}

Mathematics

Find all solutions if . Round each of the solutions to the nearest tenth. ? 

A. 121.6°, 151.7°, 300.4°, 329.6° B. 120.4°, 149.6°, 304.1°, 323.8° C. 121.6°, 149.6°, 300.4°, 323.8° D. 120.4°, 149.6°, 300.4°, 329.6° E. 120.4°, 151.7°, 304.1°, 329.6°

Mathematics