For f(x) = 24-2x, find f(2) and find x such that f(x) =10

f(x) = 24 - 2x

f(2) This means that x is 2, so you can plug in 2 for x

f(x) = 24 - 2x

f(2) = 24 - 2(2)

f(2) = 24 - 4

f(2) = 20

To find x when f(x) = 10, you can do:

f(x) = 24 - 2x             [substitute/plug in 10 for f(x)]

10 = 24 - 2x    Subtract 24 on both sides

-14 = -2x          Divide -2 on both sides

7 = x

a) y = -3x +2

b) y = 1/2x -6

these 2 can be combined into one equation.

-3x +2 = .5x -6

8 = 3.5x

x = 8 / 3.5 = 2.2857142857

y = -3 * (8 / 3.5) +2

y = (-24 / 3.5) + 2

y = -4.8571428571

step-by-step explanation:

answer is 12345678900987654321234567890987654321

step-by-step explanation: