Q. The equation s=(t+3)2(t+2)(t+1)(t)(t−1) is graphed on the st-plane. What is the product of the unique t-intercepts of the graph?
Set Equation to Zero: The t-intercepts of a graph occur where the function s equals zero. To find the t-intercepts, we need to set the equation s equal to zero and solve for t.s=(t+3)2(t+2)(t+1)(t)(t−1)=0
Factor and Solve: Since the equation is already factored, we can find the t-intercepts by setting each factor equal to zero.(t+3)2=0, (t+2)=0, (t+1)=0, t=0, (t−1)=0
Identify T-Intercepts: Solving each equation for t gives us the t-intercepts:t=−3, t=−2, t=−1, t=0, t=1 Note that t=−3 is a repeated root because of the squared term (t+3)2.
Calculate Product: The product of the unique t-intercepts is found by multiplying the distinct values of t together.Product = (−3)×(−2)×(−1)×(0)×(1)
Final Result: Multiplying the numbers together, we find the product:Product = 0Since any number multiplied by zero is zero, the product of the t-intercepts is 0.
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