John runs at different speeds as part of his training program. The graph shows his target heart rate at different times during his workout. On which interval is the target heart rate strictly increasing then strictly decreasing? A. Between 0 and 30 minutes B. Between 40 and 60 minutes C. Between 50 and 65 minutes D. Between 70 and 90 minutes Answer and explanation for . Question 2. If equals where is a constant, and equals 24 when equals 6, what is the value y k x k y x of when equals 5 ? y x A. 6 B. 15 C. 20 D. 23 Answer and explanation for . Question 3 is based on the following figure. Begin skippable figure description. The figure presents two horizontal lines and with line above line and two lines m m, s ℓ ℓ and that are slanted upward and to the right with line to the left of line Lines and t s t. s t intersect lines and The angle above line and to the right of line is labeled 1, and m. t ℓ ℓ the angle above line and to the left of line is labeled 2. m s
John runs at different speeds as part of his training program. The graph shows his target heart rate at different times during his workout. On which interval is the target heart rate strictly increasing then strictly decreasing? A. Between 0 and 30 minutes B. Between 40 and 60 minutes C. Between 50 and 65 minutes D. Between 70 and 90 minutes Answer and explanation for . Question 2. If y equals k x where k is a constant, and y equals 24 when x equals 6, what is the value of y when x equals 5 ? A. 6 B. 15 C. 20 D. 23 Answer and explanation for . Question 3 is based on the following figure. Begin skippable figure description. The figure presents two horizontal lines ℓ and m with line ℓ above line m, and two lines s and t that are slanted upward and to the right with line s to the left of line t. Lines s and t intersect lines ℓ and m. The angle above line ℓ and to the right of line t is labeled 1, and the angle above line m and to the left of line s is labeled 2.
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