Given the function ƒ(x) = 20x2 − 18x − 25, find ƒ(−1). A) ƒ(−1) = 27 B) ƒ(−1) = 13 C) ƒ(−1) = −13 D) ƒ(−1) = −23

B

Step-by-step explanation:

f(-1) means that x was substituted for (-1)

Thereforce, 20x^2 - 18x - 25 becomes  20(-1)^2 - 18(-1) - 25

Negative numbers multiplied by another negative number become positive.

f(-1) = 20 + 18 -25 = 13

f(-1) = 13

b

Step-by-step explanation:

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20

step-by-step explanation:

the answer is c)8

step-by-step explanaction: