Step-by-step explanation:
price difference= $45-$36
=$9
now,
x% of $45=$9
or, x/100 ×45 =9
or, x/20 ×9=9
or, x/20=1
therefore, x= 20%
I tried my best with 1, 2, and 3
Answer:
Step-by-step explanation: f(x)=(-3,0), (-0.5,-6.25), (0,-6), (2,0);
I have no clue you have to do something like x2-x1 over y1-y2 and you get yoyu answer from that.
Answer:
y = 18 / (x + 2)²
Step-by-step explanation:
Inversely proportional
y * (x + 2)² = k
when x=1, y=2
k = 2 * (1 + 2)²
k = 18
-----------------------
y * (x + 2)² = 18
Divide both sides by (x + 2)²
y = 18 / (x + 2)²