Answer:
140
Step-by-step explanation:
Good luck! :)
Answer: -3x^2-3x+9
Step-by-step explanation:
-3(x^2+x-1)+12 = -3x^2-3x-3+12 = -3x^2-3x+9
Answer:
Average rate of change for given function is: -2
Step-by-step explanation:
Given function is:

In order to find the rate of change, we have to find the value of function on x1 and x2
So,

The formula for finding the rate of change is:

Putting the values, we get

Hence,
Average rate of change for given function is: -2
So unfortunate, calculators haven't been invented yet :/
But let me save you from the trouble mate-
1) 1.0075
2) 1.0671
3) 8.105
4) 6.1001
5) 8.1898
6) 0.243
7) 0.3365
8) 1.5553
9) 0.5575
10) 2.8878
Let x be Kelly's regular pay
Her pay for the day can be modelled by the equation 8x + 4(x + 10) = 160
Solve for x
8x + 4x + 40 = 160
8x + 4x = 160 - 40
12x = 120
x = 10
Kelly's regular pay per hour is $10