r(x) = (x + 1)(x − 3)(x + 3)(x − 5).The function r has x-intercepts
Question
r(x) = (x + 1)(x − 3)(x + 3)(x − 5).The function r has x-intercepts
Solution
The x-intercepts of the function r(x) = (x + 1)(x − 3)(x + 3)(x − 5) are the solutions to the equation r(x) = 0.
Step 1: Set the function equal to zero.
0 = (x + 1)(x − 3)(x + 3)(x − 5)
Step 2: Set each factor equal to zero.
x + 1 = 0, x - 3 = 0, x + 3 = 0, x - 5 = 0
Step 3: Solve each equation for x.
x = -1, x = 3, x = -3, x = 5
So, the x-intercepts of the function are -1, 3, -3, and 5.
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