Drag and Drop question, please help!

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

At 6 1/2 cents per pound of string beans how much does 7 pounds cost