Chapter 2: Problem 106
Describe a procedure for finding \((f \circ g)(x) .\) What is the name of this function?
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Chapter 2: Problem 106
Describe a procedure for finding \((f \circ g)(x) .\) What is the name of this function?
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complete the square and write the equation in standard form. Then give the center and radius of each circle and graph the equation. $$ x^{2}+y^{2}+3 x-2 y-1=0 $$
Exercises \(129-131\) will help you prepare for the material covered in the next section. The function \(C(t)=20+0.40(t-60)\) describes the monthly cost, \(C(t),\) in dollars, for a cellphone plan for \(t\) calling minutes, where \(t>60 .\) Find and interpret \(C(100)\)
determine whether each statement makes sense or does not make sense, and explain your reasoning. The equation of the circle whose center is at the origin with radius 16 is \(x^{2}+y^{2}=16\)
The bar graph shows your chances of surviving to various ages once you reach 60 The functions $$ \begin{aligned} f(x) &=-2.9 x+286 \\ \text { and } g(x) &=0.01 x^{2}-4.9 x+370 \end{aligned} $$ model the chance, as a percent, that a 60 -year-old will survive to age \(x .\) Use this information to solve Exercises \(101-102\) a. Find and interpret \(f(90)\) b. Find and interpret \(g(90)\) c. Which function serves as a better model for the chance of surviving to age \(90 ?\)
write the standard form of the equation of the circle with the given center and radius. $$ \text { Center }(-3,5), r=3 $$
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