Answer:
a) y=-4-2x
b) since y=-4-2x equate it to x+y=-7 to be
x-4-2x=-7
x-2x=-7+4
-x=-3
x=3
c)if x=3 then y=-4-2(3)
y=-10
Answer:
Go find out in your lesson
Step-by-step explanation:
DDUUUUUUUH
Answer:
3x+9
Step-by-step explanation:
1(x+2) +1(x+3) +1(x+4)
<em>x+2+x+3+x+4</em>
<em>x+x+x+2+3+4</em>
<u><em>3x+9</em></u>
Basically I just plugged in g(x) into f(x) and simplified, hope that helps!
<h3>
Answer: 0.05x+10</h3>
Work Shown:
x = number of miles
Cost of company A = 0.09x+50.50
Cost of company B = 0.14x+60.50
Subtract the two expressions (B-A) to find the difference in price
B-A = (0.14x+60.50)-(0.09x+50.50)
B-A = 0.14x+60.50-0.09x-50.50
B-A = (0.14x-0.09x) + (60.50-50.50)
B-A = 0.05x+10