Answer:
120$ altogether
Step-by-step explanation:
There are 8 teachers and they have to pay 15 dollars so do
8×15=120
or
15+15+15+15+15+15+15+15=120
Answer:
The student took the numbers for the factors 5, -4 for the zeros instead of solving the equation
The zeros are -5, 4
Step-by-step explanation:
x^2 +x - 20=0
What 2 number multiply to -20 and add to 1
5*-4 = -20
5+-4 = 1
(x+5)(x-4) =0
Using the zero product property
x+5 = 0 x-4 =0
x=-5 x=4
Answer:
c
Step-by-step explanation:
Answer:
These are the steps to do it since there is no equations provided
Step-by-step explanation:
1.) First, replace f(x) with y . ...
2.) Replace every x with a y and replace every y with an x .
3.)Solve the equation from Step 2 for y . ...
4.) Replace y with f−1(x) f − 1 ( x ) .
<em>Hope this helps :)</em>