Question

F(x) = 2x^ 2 - 3x + 6 find f(-7)

Answer 1

Answer:
`f=125`

Explanation:

`f=2\left(-7\right)^2-3\left(-7\right)+6`

`f=2\left(-7\right)^2+3\cdot \:7+6`

`f=7^2\cdot \:2+3\cdot \:7+6`

`f=7^2\cdot \:2+3\cdot \:7+6`

`f=98+27`

`f=125`

Answer 2

`f(-7) = \bold{125}`

Explanation:

Given:

`f(x) = 2x^2 - 3x + 6`

`f(-7) = 2(-7)^2 -3(-7) +6 \\ f(-7) = 2(49) -3(-7) +6 \\ f(-7) = 98 +21 +6 \\ f(-7) = 125`