Answer:
6x + y
Step-by-step explanation:
This gives you the answer, look at it tells you how to solve this and get your answer
Answer:
5
Step-by-step explanation:
Answer:
f^-1 (x) = 2x+20
Step-by-step explanation:
f(x) = 1/2x – 10
To find the inverse, replace f(x) with y
y = 1/2 x -10
Exchange x and y
x = 1/2 y- 10
Solve for y
Add 10 to each side
x+10 = 1/2 y-10+10
x+10 = 1/2 y
Multiply by 2
2(x+10) = 1/2y *2
2x+20 = y
The inverse is
f^-1 (x) = 2x+20
Answer:
x = 2
y = 149
Step-by-step explanation:
these two angles are equal to one another
(8x+15) = (7x+17)
solve for x
x = 2
two angles are supplementary
8x + 15 + y = 180
we know 8x+15 since x =2
8(2) + 15 + y = 180
16 + 15 + y = 180
31 + y = 180
solve for y
y = 180 - 31 = 149
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