Find the average rate of change for f(x) = x2 − 8x + 15 from x = 0 to x = 4.
a) −2
b) −4
c) 2
d) 4

−4

Step-by-step explanation:

f(b) − f(a)

b − a

15 − (−1)

0 − 4

= −4

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.