If s(x) = 2 - x2 and t(x) = 3x, which value is equivalent to (sº)(-7)?

Fill in the missing exponents in each box and show how you found the answer. (4 points: 2 points for each correct answer with work shown) c. (9^4)^? =9^1 d.(5^? )^3=5^1 *question marks represent the boxes