Answer:
options ?
Step-by-step explanation:
x = 3/8 (but the fraction is negative.)
Decimal form if needed.
x = - 0.375
f(3) = 48
f(3)-f(4) = 3*3^2
f(4) = 21
f(4)-f(5) = 3*4^2
f(5) = -27
I think it should be 7x-35