Answer:
x = 81
Steps:
It says that y ~ √x
We have points (9, 18) as a guide.
We can write y = f(x) = a√x +b
Use points (9, 18) as a guide
18 = a√9 +b
18 = 3a + b
One solution might be a = 6, which means f(x) = 6√x
Thus when y = 54,
54 = 6√x
9 = √x
81 = x
Her commission would be 6% of 87,000
turn ur percent to a decimal......" of " means multiply
0.06(87,000) = $ 5220 <==
By the rule of 3 simple:
53/100 = x/113100
x = 53*113100/100 = 59943
Your answer is D
Slope is just a line to determine x to y
