Answer:
(a) f⁻¹(x) = 2x - 8
(b) f⁻¹(4) = 0
Step-by-step explanation:
This is usually not too difficult if you write the equation as y = f(x), then swap x and y and solve for y.
... y = (1/2)x + 4 . . . . y = f(x)
... x = (1/2)y + 4 . . . . variables swapped
... x - 4 = (1/2)y . . . . . subtract 4
... 2(x -4) = y . . . . . . multiply by 2
... y = 2x - 8 . . . . . . simplify
... f⁻¹(x) = 2x -8
____
Evaluating this for x=4, we get
... f⁻¹(4) = 2·4 - 8 = 0
Answer:
a=2
b=36
c=-9
Step-by-step explanation:
Test answer
Answer:
the common denominator for the first question is 36
So 36, to get that you multiply 4 by 9 and 9 by 4.
you’d get
3 4/36 + 2 9/36
you’d get 5 13/36
That bai scaly answers both parts
Answer:
you would need to do295 hours of overtime to pay for the Disney vacation
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
