Given the function f(x) = −5x2 − x + 20, find f(3).−28−136264
2 answers:
f(x) = −5x2 − x + 20, find f(3).
Substitute x = 3 into the function
f(3) = −5(3)^2 − 3 + 20
f(3) = -45 - 3 + 20
f(3) = -28
Answer
−28
Answer: -28
Step-by-step explanation: The value of given function at x = 3 is -28
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