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Intermediate Algebra – Student Workbook – Second Edition 2013

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Appendix A:<br />

You Try Answers<br />

Lesson 3a<br />

You Try Problem 1<br />

a) input<br />

b) output, y<br />

c) line, m, b<br />

d) >,<br />

e) 0, none, (0, 125), y = 0, increasing<br />

g(x) = 125(0.75) x<br />

125, 0.75, all real numbers, g(x) >0, none, (0, 125), y = 0, decreasing<br />

You Try Problem 11<br />

a) 125(0.75) x = 300<br />

b) y1 = 125(0.75) x Y2 = 300<br />

c) -10, 10, 0, 350<br />

d) -3.04<br />

e) (-3.04, 300)<br />

f) Show graph on appropriate window, label y1, y2, intersection<br />

You Try Problem 13<br />

a) 125(0.75) x = 50<br />

b) y1 = 125(0.75) x Y2 = 50<br />

c) -10, 10, 0, 100<br />

d) 3.19<br />

e) (3.19, 50)<br />

f) Show graph on appropriate window, label y1, y2, intersection<br />

You Try <strong>–</strong> Problem 15<br />

a) x = 31.41<br />

b) x = 3.16<br />

c) x = -38.96<br />

Scottsdale Community College Page 286 <strong>Intermediate</strong> <strong>Algebra</strong>

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