Answer: 179.93
Step-by-step explanation:
Please put the image so I can see and help.
H(x)=5x+15+4x+20
if x=4, together it would be 5(4)+15+4(4)+20
h(x)=20+15+16+20=71
Divided by 2, they'd each get 35.5
If Frank worked alone, he'd get 5(4)+15= 35
He'd make more working together.
Answer:
the last option: y=x^2 +3
Step-by-step explanation: