What is the solution to the following expression if x=5

2x - 7

A. 105

B. 25

C. 18

D. 3

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

100 points, hi, i’m not sure what to do here, the data doesn’t seem to be quadratic .? can anyone me, in advance