Answer:
f(2b) = 4b^2 +4b +1
Step-by-step explanation:
Put 2b where x is and simplify.
f(2b) = (2b)^2 +2(2b) +1
f(2b) = 4b^2 +4b + 1
90.95 rounded to the nearest whole # is 91
Hi
exponnential cannot be negative. So A is out
quadratic function cannot also. So B is out.
C is the only one remaining...
