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Magazine Problem 47
Find the equation of each line. Write the equation using standard notation unless indicated otherwise. Slope \(2 ;\) through \((-2,3)\)
Problem 47
Sketch the graph of each function. $$f(x)=(x-3)+2$$
Problem 47
The function \(A(r)=\pi r^{2}\) may be used to find the area of a circle if we are given its radius. (GRAPH NOT COPY) Find the area of a circle whose radius is 5 centimeters. (Do not approximate \(\pi .\) )
Problem 47
Write an equation to describe each variation. Use \(k\) for the constant of proportionality. See Examples I through \(7 .\) \(a\) varies inversely as \(b\)
Problem 48
Sketch the graph of each function. $$f(x)=(x-1)+4$$
Problem 48
Find the equation of each line. Write the equation using standard notation unless indicated otherwise. Slope \(3 ;\) through \((-4,2)\)
Problem 48
The function \(A(r)=\pi r^{2}\) may be used to find the area of a circle if we are given its radius. (GRAPH NOT COPY) Find the area of a circular garden whose radius is 8 feet. (Do not approximate \(\pi .\) )
Problem 49
Write an equation to describe each variation. Use \(k\) for the constant of proportionality. See Examples I through \(7 .\) \(y\) varies jointly as \(x\) and \(z\)
Problem 49
The function \(V(x)=x^{3}\) may be used to find the volume of a cube if we are given the length \(x\) of a side. (GRAPH NOT COPY) Find the volume of a cube whose side is 14 inches.
Problem 49
Find the equation of each line. Write the equation using standard notation unless indicated otherwise. Through \((1,6)\) and \((5,2) ;\) use function notation.
