HernanKM22 HernanKM22
  • 21-07-2020
  • Mathematics
contestada

HALLLLPPP Let g(x) = 2x and h(x) = x^2 + 4. Evaluate each expression: g(-2) - h(4)

Respuesta :

09pqr4sT
09pqr4sT 09pqr4sT
  • 21-07-2020

Answer:

-24

Step-by-step explanation:

g(-2) = 2(-2)

g(-2) = -4

h(4) = 4² + 4

h(4) = 16 + 4

h(4) = 20

g(-2) - h(4)

-4 - 20

= -24

Answer Link
Stephen46
Stephen46 Stephen46
  • 21-07-2020

Answer:

g(-2) - h(4) = - 24

Step-by-step explanation:

g(x) = 2x

To find g( -2) substitute - 2 into g(x)

That's

g( -2) = 2(-2) = - 4

h(x) = x² + 4

To find h(4) substitute 4 into h(x)

That's

h(4) = (4)² + 4 = 16 + 4 = 20

So

g(-2) - h(4) is

- 4 - 20

= - 24

Hope this helps you

Answer Link

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