Try this solution, note, the shown way is not the shortest one.
The answer is marked with red colour.
Answer:
The inverse f-1(x) = ( x - 2) / 2.
Step-by-step explanation:
Let 2x + 1 = y
Now find x in terms of y:
2x = y - 1
x = (y - 1) / 2
Replace the x by the inverse f-1(x) and the y by x, so we have:
f-1(x) = ( x - 2) / 2.
Answer:
15
Step-by-step explanation:
V=12, comment if u need an explanation
All of the powers of x here are even, so the function f(x) is even. Note that 19 = 19x^0 = 19(1) = 19