Answer:
-8k-15
Step-by-step explanation:
5(−2k−3)+2k
Distribute
-10k -15 +2k
Combine like terms
9514 1404 393
x^2 +4x -21
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
noicr
Answer: By putting it on a graph
14
Shown in picture above.
