Question

53

Answer 1

equation?

Answer 2

so substitute 4 and 7 for x

Answer 3

then use the formula \(\Large \dfrac{y_2 - y_1}{x_2 - x_1}\)

Answer 4

yes solve both of them to find \(y_1~~and~~y_2\)

Answer 5

ok

Answer 6

so \(\Large{(4,82)~and~(7,43)}\)

Answer 7

now find the unit rate of change
\(\large\dfrac{43 - 82}{7 - 4}\)

Answer 8

simplify

Answer 9

so -13

Answer 10

yw