This is for my college pre calculus class.
in Algebra 1 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

The x intercepts reveal the zeroes p(x)=a(x-1.5)(x-4)(x-10)(x-b).

We need to find a and b. If we multiply the factors we get a(x⁴-x³(15.5+b)+x²(61+15.5b)-x(60+61b)+60b).

If the y intercept is -3 then 60ab=-3, 20ab=-1.

p(x)≥0 in [4,10] so a=-1 and -20b=-1 and b=1/20.

p(x)=-(x⁴-15.55x³+61.775x²-63.05x+3) or:

by Top Rated User (775k points)

Related questions

Welcome to, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
85,246 questions
90,479 answers
79,679 users