coxcaelin coxcaelin

23-09-2021
Mathematics

contestada

Let f(x)=4x2 + 5x
Evaluate f(-5)

Respuesta :

jimrgrant1 jimrgrant1

23-09-2021

Answer:

f(- 5) = 75

Step-by-step explanation:

Substitute x = - 5 into f(x) , that is

f(- 5) = 4(- 5)² + 5(- 5)

= 4(25) - 25

= 100 - 25

= 75

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