49. SAT/ACT Which equation is an identity? 27 = 98 +
27
15
15
® 3* + 16) - 16 = x
© -4(3 - 2x) = -12 - 8x
0-5
-561 - 16) - 30 = 50 - 1x
® 36(x-2) + 72 = -72 + 27x

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Which of the following represents the range of the graph of f(x) below

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)