10x^2-6 hope this helps
Answer:
-5/2, -2.3, sqrt2, sqrt5, 2 1/4, 2.3, 4
14
Step-by-step explanation:
Put 4 where x is in the function and do the arithmetic.
f(4) = 2(4) +6 = 8+6 = 14
14 cars will drive by in 4 minutes.
what's the question?