Answer:
y=4 (6,4)
Step-by-step explanation:
hope this helps!
f(2b) = 4b^2 +4b +1
Put 2b where x is and simplify.
f(2b) = (2b)^2 +2(2b) +1
f(2b) = 4b^2 +4b + 1
3.5
hope this helps
-15 times -5 = 75
-15 + -5 = -20
