The opposite of 7 on a number line would be -7 because if you look at 0 as a mirror, then the opposite of 7 is -7.
Answer:
C
Step-by-step explanation:
According to Math.way C would be the correct answer :)
Answer:
C or h - 2
Step-by-step explanation:
f(a + h) = a + h - 1
f(a) = a - 1
a + h - 1 - a - 1 = h - 2