1. Most credit card incentive programs give b. cashback 2. To calculate a rewards program incentive, you--- b. use the percentage number 3. For this we need to solve: The cashback is 2% and the purchase amount is $1685.90. We just multiply the percentage to the purchase amount to know what is the 2% of 1685.90.
Solution: *remember to change the percent to its decimal form by moving the percent two places to the left. 2%=.02
It is not differentiable at x=1 since the slope of the tangent line as x -> 1 from the right is 1 while the slope of the tangent line as x->1 from the left is -1
