Question

Josh has been planting blueberries in a garden in his backyard.
Josh started with blueberries in one square foot of garden modeled by
the function s(x) = 10. He is allowed to convert more of the garden, and
each additional square foot he maintains allows his blueberry plants to
produce more by a rate of a(x) = 1.4x-2.

Explain to Josh how to create an equation to predict the number of
blueberries he can expect based on the number of square feet he maintains.
Describe how to determine the number of blueberries he will grow with 5 square
feet. Use complete sentences