C. You would first have to divide A by Pi, then take the square root of r, in order to get r by itself.
Let "what" and "what" be A and B
Put this in an algebraic equation
A * B = 21
A + B = -22
A must = -21 and B must = -1 , this is because two negatives multiply to make a positive
A + B = -22 , -21 +-1 = -22
Answer:
f(x)=3 x (4)^x
Step-by-step explanation: