Answer:
a) y = 5x
b) y = 60
Step-by-step explanation:
Since, y is directly proportional to x when y=30, x=6

Answer:
A= 7 11/12 or 7.916 or 95.12
B= 4 1/8 or 4.125 or 33/8
C= 12 4/5 or 12.8 or 64/5
This is false.
The f(3x) means you are multiplying the input 'x' by 3 before plugging into the equation.
3f(x) means you are going to multiply your answer (output) by 3 after you've plugged the input value in and gotten the output.
Answer:
66.5%
Step-by-step explanation:
95.1/143*100=66.5%