Solve the problem.Use the graph of the two linear functions W(t) and M(t) below to answer the questions that follow. The graph shows the speed at which the record times in the marathon were run by women and men in the years since 1991.
i)For what value(s) of t is W(t) = M(t)? What does your result mean in terms of the situation?ii) For what value(s) of T is W(t) > M(t)? What does your result mean in terms of the situation?
What will be an ideal response?
| i) | 26; Women's and men's speeds for the marathon are equal in 2017. |
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Express the graph shown using interval notation. Also express it as an inequality involving x.
A. (-9, ?) x > -9 B. [-9, ?) x ? -9 C. (-?, -9] x ? -9 D. (-?, -9) x < -9
Find the sum or difference. Write the answer in standard form.3i + (-9 - i)
A. 9 - 2i B. -9 + 2i C. 9 - 4i D. -9 + 4i
Solve the inequality. Write the solution set in interval notation.x2(x + 16)2 < 0
A. ? B. (-?, -4] ? [0, 4] C. (-?, ?) D. [-4, 0] ? [4, ?)
Solve the problem.Jennifer Jones is an employee of Acme Manufacturing Company. She has an 8-hr workday and each day is paid $0.75 for each unit produced or the hourly rate, whichever is greater. Her hourly rate is $8.40 per hour. Last week she produced 113 units on Monday, 107 units on Tuesday, 80 units on Wednesday, 86 units on Thursday, and 103 units on Friday. What were her gross earnings for the week?
A. $376.65 B. $385.45 C. $366.65 D. $372.65