Create a model in the form of y=a⋅bᵗ for t=−3,2 and y=7/8,28.
a. y=7/8​⋅2⁻ᵗ
b. y=7⋅(1/2​)ᵗ
c. y=1/2​⋅7ᵗ
d. y=28⋅(1/2​)⁻ᵗ