Answer:
H can't be a function.
Step-by-step explanation:
If x has more than one y then it doesn't pass the vertical line test and is not a function.
Answer:
0.175
Step-by-step explanation:
8/1.4 = 0.175 which is how many each will have
9514 1404 393
Answer:
x^2 +4x -21
Step-by-step explanation:
Substitute the given expressions and simplify.
f(x) + g(x)
= (x^2 +3x -28) +(x +7)
= x^2 +(3+1)x +(-28 +7)
= x^2 +4x -21
