Weekly Summary College Algebra
access_timeAugust 22, 2020
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Posted by Alex Tutor
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Solved Questions
A maximum of 5 or .25% bonus points will be awarded for 5 correct answers with step by step explanations.
- Find the vertex of the parabola f(x) = x2 – 16x + 63.
- Find the x- and y-intercepts of the cubic function f(x) = (x+4)(2x-1)(x-1).
- If f(x) = x2-2x-24 and g(x) = x2-x-30, find (f-g)(x).
- If f(x) = x+4 and g(x) = 2×2-x-1, evaluate the composition (g o f)(2).
- If f(x) = x+4 and g(x) = 2×2-x-1, find the composition (f o g)(x).
- Write the following sentence as an equation: y varies directly as x.
- Write the following sentence as an equation: x is directly proportional to y and is inversely proportional to the cube of z.
- What are the zeros of the parabola: f(x) = x2 – 7x + 10 (that is, what are the x-intercepts or the points where the graph crosses the x-axis)?
- What is the vertical asymptote of the rational function f(x) = 3x / (2x – 1)?
- What is the horizontal asymptote of the rational function f(x) = 3x / (2x – 1)?
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