D and E —> substitute the x or y of the point given into the functions to test if it is correct
5.7y-5.2=y/2.5
Add 5.2 to both sides:
5.7y = y/2.5 + 5.2
y/2.5 = 0.4y
5.7y = 0.4y + 5.2
Subtract 0.4y from both sides:
5.3y = 5.2
Divide both sides by 5.3:
y = 5.2/5.3
y = 0.98113
Answer:
Step-by-step explanation:
g(-2) = -2 -3 = -5
f(-5)= 3 - (-5)^2 = 3 - 25 = -22
Step-by-step explanation:
