I believe it’s the last one
Because there was a pay rise, we can write the equation as x+0.04x = 24.492 and solve for x.
x+0.04x = 24.492
1.04x = 24.492
x=23.55
His original pay was £23.55
Yes the sides are equal to each other
Answer: D
Step by Step: Even though the y value repeats, to be considered not a function is when the X value repeats