In: Advanced Math
Degree 5. Roots of multiplicity 2 at x = −3 and x = 2 and a root of multiplicity 1 at x=−2. y-intercept at (0, 4).
For the above exercises, use the given information about the polynomial graph to write the equation.
Consider the information provided in the exercise,
The degree is 5 and zeros are at x = -3, x = 2, x - -2.
The first zero occurs at x = -3. It has a multiplicity of 2.
The second zero occurs at x = 2. It has a multiplicity of 2.
The third root occurs at x = -2. It has a multiplicity of 1.
Combine all this,
f(x) = a(x + 3)2(x – 2)2(x + 2)
To determine stretch factor a, put y intercept (0, 4) in the equation.
4 = a(0 + 3)2(0 – 2)2(0 + 2)
4 = 72a
a = 4/72
a = 1/18
Hence, the function is f(x) = 1/18(x + 3)2(x – 2)2(x + 2).
Hence, the function is f(x) = 1/18(x + 3)2(x – 2)2(x + 2).