Precalculus Archive: Questions from November 20, 2022
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(3 pts) Solve: \[ \left\{\begin{array}{c} x^{2}+y^{2}=5 \\ y-3 x=-5 \end{array}\right. \] (3 pts) Solve: \[ \left\{\begin{array}{c} x \geq 0,3 \leq y \leq 7 \\ x+2 \leq y \\ 2 x+y \leq 6 \end{array}\r2 answers -
15. Sketch the graphs of the following reciprocal functions. a) \( y=\frac{1}{\sqrt{x}} \) c) \( y=\frac{1}{2^{x}} \) b) \( y=\frac{1}{x^{3}} \) d) \( y=\frac{1}{\sin x} \)2 answers