Provide an appropriate response.When the temperature T (in degrees Celsius) of a certain laboratory animal is reduced, its heart rate r (in beats per minute) decreases. At a temperature of 37°C, the animal had a heart rate of 200, and at a temperature of 
its heart rate was 140. If r is a linear function of T for 26 ? T ? 38, (a) determine this function and (b) determine the heart rate at a temperature of 30°C.
What will be an ideal response?
| (a) | r = 12T - 244 | (b) | 116 |
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Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = -2x2 + 7x + 7
A. Maximum: 
B. Maximum: 
C. Maximum: 0
D. Minimum: -5
Determine the real solutions to the system of nonlinear equations.2x2 + y2 = 173x2 - 2y2 = -6
A. (2, -3), (-2, 3) B. (1, 3), (1, -3), (-1, 3), (-1, -3) C. (2, 3), (2, -3), (-2, 3), (-2, -3) D. (1, 3), (-1, -3)
Identify the intercepts.
A. (-1, 0), (0, -1) B. (1, 1), (-1, -1) C. (1, 0), (0, -1) D. (1, 0), (0, 1)
Solve.The graph shows the melting points in degrees Celsius of three compounds: Compound A, Compound B and Compound C. 
The melting point of Compound D is -3 times the melting point of Compound A. Find the melting point of Compound D.
A. -111°C B. 121°C C. 101°C D. 111°C