F(x) = 2x4 – x2 + 4x + 8
Determine f(-2)

28

Step-by-step explanation:

all you do is sub in -2 for all x values

f(-2) = 2(-2)^4 - (-2)^2 + 4(-2) + 8

=2 x 16 - 4 -8 + 8

so then simplify using bedmas

32-12+8

28

answer: no, but if it does it's a obvious pattern.

step-by-step explanation:

let y equal to

the total fare and x is the mile of taxi ride. so the equation is

y = 0.55x + 1.75

since susie has

$10 to spend for a taxi cab, so he can have

10 = 0.55x +

1.75

x = 15 miles of

taxi ride

so the system of

inequality is

10 < 0.55x +

1.75

x > 2