Just find the slope between the points

basically find (f(10)-f(7))/(10-7)

f(7)=7^2-3(7)-4=49-21-4=24
f(10)=10^2-3(10)-4=100-30-4=66

slope=(66-24)/(10-7)=42/3=14
average rate of change is 14

8 0

3 years ago

A rectangle has a perimeter of 48 cm and a width of 6 cm. Use the formula P=2ℓ+2w to find the length.

Vinil7 [7]

Answer:the length is equal to 18. 2l+2w= 12+?=48. 48-12=36, 36/2=18

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Explain-Carmen is making homemade root beer for an upcoming charity fundraiser.

NeTakaya

Answer:

1.5lb/ounces

Step-by-step explanation:

Given:

Mass of dry ice Carmen uses = 12lb

Mass of root beet = 8ounces

Unknown:

Ratio/Proportional constant for number of pounds to number of ounces of root beer extract = ?

Solution:

To solve this problem,

Ratio = $\frac{number of pounds of dry ice}{Ounce of root beer}$

Ratio = $\frac{12lb}{8ounces}$ = 1.5lb/ounces

6 0

3 years ago