3x=40.20.... Each book costed $13.40
Answer:

Step-by-step explanation:
start by foiling out the given function

next, use the power rule to find the derivative
power rule: To use the power rule, multiply the variable's exponent n, by its coefficient a, then subtract 1 from the exponent. If there's no coefficient (the coefficient is 1), then the exponent will become the new coefficient.

<span>Yes. A meter is 1000 mm, so 1,000,000 mm is 1,000 m, which is greater than 100.</span>