jasminehernandotde58 jasminehernandotde58
  • 02-03-2021
  • Mathematics
contestada

can someone help me understand this problem?​

can someone help me understand this problem class=

Respuesta :

leena
leena leena
  • 02-03-2021

Hello!

a. 10

b. 1

c. -11

To evaluate f(x) at a certain x, you simply substitute that value of x into the equation for x.

For example:

a. f(x) = 2x, find f(5)

Plug in 5 for x into f(x):

f(5) = 2(5) = 10.

b. f(x) = 4x + 5, find f(-1)

f(-1) = 4(-1) + 5 = 1

c. f(x) = -3x - 5, find f(2)

f(2) = -3(2) - 5 = -11

Answer Link

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