Answer: b= 20
Step-by-step explanation:
y= 5x + 20
we are given
function as
step-1: Set f(x)=y
step-2: Switch x and y
step-3: Solve for y
now, we can solve for y
so, we get
...............Answer
Answer:
where?
A
I. False. Consider y = 3 and x = 4.
II. False. Consider x = 1.
III. False. Consider x = -2.
20 schools