Chapter 9
Algebra and Trigonometry · 155 exercises
Problem 77
Based on material learned earlier in the course. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for the final exam. Find the horizontal asymptote of $$ h(x)=\frac{-3 x^{2}-7 x+1}{4-9 x^{2}} $$
5 step solution
Problem 78
Are based on material learned earlier in the course. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for the final exam. $$ \text { Solve: } x^{2}(5 x-3)(x+2) \leq 0 $$
5 step solution
Problem 78
Based on material learned earlier in the course. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for the final exam. Find an equation of the line perpendicular to \(y=-\frac{2}{3} x+7\) that contains the point (-2,-5).
4 step solution
Problem 79
Based on material learned earlier in the course. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for the final exam. If \(f(x)=a x^{2}-2 x+5\) and \(a<0,\) in which quadrant is the vertex located? How many \(x\) -intercepts does the graph of \(f\) have?
5 step solution
Problem 80
Based on material learned earlier in the course. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for the final exam. Solve: \(\frac{1}{3}(x-6)+4 x>0\)
4 step solution