Which of the following exponential functions goes through the points (1, 20) and (2, 80)? O f(x) = 5(4)-
O f(x) = 4(5)-*
O f(x) = 5(4)*
O f(x) = 4(5)*

75

step-by-step explanation:

2y+y=5

add 2y and y

ιт ιѕ $222.95

step-by-step explanation:

αℓℓ уσυ gσт тσ ∂σ ιѕ fιgυяє συт ωнαт 30% σf $318.50 ιѕ $95.55

тнєи ѕυвтяα¢т ιт fяσм $318.50-$95.55=$222.95

нσρє ι ¢συℓ∂ нєℓρ уσυ συ

look in attachments

step-by-step explanation:

a = (-2, 0)

b= (-4, 0)

c = (-5,2)

d = (-1,2)