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Magazine Problem 9
Degrees to Radians In Exercises 9 and 10, convert the degree measure to radian measure as a multiple of \(\pi\) and as a decimal accurate to three decimal places. \(\begin{array}{lll}{\text { (a) }-20^{\circ}} & {\text { (b) }-240^{\circ}} & {\text { (c) }-270^{\circ}} & {\text { (d) } 144^{\circ}}\end{array}\)
Problem 9
Evaluating a Function In Exercises \(5-12\) , evaluate the function at the given value(s) of the independent variable. Simplify the results. \begin{array}{l}{g(x)=5-x^{2}} \\ {\text { (a) } g(0) \quad \text { (b) } g(\sqrt{5}) \quad \text { (c) } g(-2) \quad \text { (d) } g(t-1)}\end{array}
Problem 9
Sketching a Graph by Point Plotting In Exercises \(7-16,\) sketch the graph of the equation by point plotting. \(y=4-x^{2}\)
Problem 10
Degrees to Radians In Exercises 9 and 10, convert the degree measure to radian measure as a multiple of \(\pi\) and as a decimal accurate to three decimal places. \(\begin{array}{lll}{\text { (a) }-20^{\circ}} & {\text { (b) }-240^{\circ}} & {\text { (c) }-270^{\circ}} & {\text { (d) } 144^{\circ}}\end{array}\)
Problem 10
Sketching a Graph by Point Plotting In Exercises \(7-16,\) sketch the graph of the equation by point plotting. \(y=(x-3)^{2}\)
Problem 10
Finding the Slope of a line In Exercises \(7-12,\) plot the pair of points and find the slope of the line passing through them. \((3,-5),(5,-5)\)
Problem 10
Evaluating a Function In Exercises \(5-12\) , evaluate the function at the given value(s) of the independent variable. Simplify the results. \begin{array}{l}{g(x)=x^{2}(x-4)} \\ {\text { (a) } g(4) \quad \text { (b) } g\left(\frac{3}{2}\right) \quad(\text { c) } g(c) \quad \text { (d) } g(t+4)}\end{array}
Problem 11
Sketching a Graph by Point Plotting In Exercises \(7-16,\) sketch the graph of the equation by point plotting. \(y=|x+1|\)
Problem 11
Finding the Slope of a line In Exercises \(7-12,\) plot the pair of points and find the slope of the line passing through them. \(\left(-\frac{1}{2}, \frac{2}{3}\right),\left(-\frac{3}{4}, \frac{1}{6}\right)\)
Problem 11
Radians to Degrees In Exercises 11 and \(12,\) convert the radian measure to degree measure. \(\begin{array}{lll}{\text { (a) } \frac{3 \pi}{2}} & {\text { (b) } \frac{7 \pi}{6}} & {\text { (c) }-\frac{7 \pi}{12}}\end{array} \quad\) (d) \(-2.367\)
