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28-10-2020
Mathematics

contestada

If f(x) = 2x2 + x-1, then f(-5)
= ?

Respuesta :

28-10-2020

Answer:

-54

Step-by-step explanation:

(-5)^2 = -25

2(-25)+ -5 +1 =-54

Answer Link

candy942 candy942

28-10-2020

Answer:

f(-5) = -2

Step-by-step explanation:

f(-5) = 2x2 + -5 -1

f(-5) = 4 - 6

f(-5) = -2

Answer Link

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