1. Math
  2. Algebra
  3. thanks for help...

Question: thanks for help...

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Thanks for help
3. Tables When you exercise, your heart rate should increase until it reaches your target heart rate. The table shows target heart rate, -f(a), as a function of age. a 20 25 30 35 4045 50 55 60 65 70 r150 146 142139 135 131 127 124 120 116 112 1. Find and interpret f(25) and f(50). Does f (50)-2/(25)? 2. Find a value of a for which f(a) 135. Interpret your results 3. Find a value of a for which f(a)-2a. Interpret your results. 4. Find and interpret0 20) 70-20 5. Graphs and Verbal Descriptions A driver traveling 100 ft/sec sees a sign for a highway tollbooth. Thirty seconds later the driver gradually slows and then stops to pay the toll. A graph of the drivers velocity, y-v(r). is shown on the graph below.
Find (40) and explain what it means in the context of the problem. a. Solve v()-40 and explain what it means in the context of the problem. (60-(30 60-30 b. Find and interpretos c. Give the domain and range of v For any x20, let A(x) be the area of the region bounded by the t- axis, the y-axis, y v(t). and x. d. Find A(60) and explain what it means in the context of the problem. e. Find and interpret AG0)-AO 6. DOMAIN AND RANGE Consider the following three functions. 60-0 a. s(x)x+2 b. s() 12 10-х
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