Evaluate the function at the indicated values. (If an answer is undefined, enter UNDEFINED.) f(x) = x3 + 7x; f(−2), f(−1), f(0), f1/2 f(−2) = f(−1) = f(0) = f 1 2 =

Answer 1

f(x) = x³ + 7x

f(-2) = (-2)³ + 7(-2) = -8 - 14 = -22

f(-1) = (-1)³ + 7(-1) = -1 - 7 = -8

f(-1/2) = (-1/2)³ + 7(-1/2) = -1/8 - 7/2 = -1/8 - 28/8 = -29/8 = - (3 and 5/8)

f(0) = (0)³ + 7(0) = 0

f(1/2) = (1/2)³ + 7(1/2) = 1/8 + 7/2 = 1/8 + 28/8 = 29/8 = 3 and 5/8

f(1) = (1)³ + 7(1) = 1 + 7 = 8

f(-2) = (2)³ + 7(2) = 8 + 14 = 22