A cardiac monitor is used to measure the heart rate of a patient after surgery. It compiles the number of heartbeats after t minutes. When the data in the table are graphed, the slope of the tangent line represents the heart rate in beats per minute. t (min) 36 38 40 42 44 Heartbeats     2513 2648 2789 2927 3063 The monitor estimates this value by calculating the slope of a secant line. Use the data to estimate the patient's heart rate after 42 minutes using the secant line between the points with the given values of t. (Round your answers to one decimal place. (a)    t = 36 and t = 42 (b)    t = 38 and t = 42 (c)    t = 40 and t = 42 (d)    t = 42 and t = 44

Question

A cardiac monitor is used to measure the heart rate of a patient after surgery. It compiles the number of heartbeats after t minutes. When the data in the table are graphed, the slope of the tangent line represents the heart rate in beats per minute.

t (min) 36 38 40 42 44
Heartbeats     2513 2648 2789 2927 3063

The monitor estimates this value by calculating the slope of a secant line. Use the data to estimate the patient's heart rate after 42 minutes using the secant line between the points with the given values of t. (Round your answers to one decimal place.

(a)    t = 36 and t = 42


(b)    t = 38 and t = 42


(c)    t = 40 and t = 42


(d)    t = 42 and t = 44

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