Cyrus solved a quadratic equation. His work is shown below.
2 answers:
You might be interested in
The graph in the question is missing.
Answer:
y =
Step-by-step explanation:
The function is cubic
It has roots as -4, -4 , 6
this means the value of x = -4, -4 , 6 which makes the entire equation zero
so we have solutions as
x+4 = 0
x+4 = 0
x- 6 = 0
on forming a cubic equation using these
(x+4)(x+4)(x-6)
the equation passes through (2,36)
put x = 2
(2+4)(2+4)(2-6) = (6)*(6)*(-4)
which exceeds 36 so we product the equation with -1/4 to get 36
Final equation
y =
y =
The value of f(-6) is -12.2
Explanation:
Given that the function
We need to determine the value of f(-6)
The value of f(-6) can be determined by substituting the value for in the function and simplify the function.
Hence, let us substitute in the function, we get,
Let us apply the rule , we get,
Multiplying the numbers, we get,
The value of
Substituting the value of , we get,
Subtracting the denominator, we have,
Dividing, we have,
Rounding off to the nearest tenth, we have,
Thus, the value of f(-6) is -12.2