A system of nonlinear equations is given. Sketch the graph of the equation of the system and then determine the number of real solutions to the system. Do not solve the system.2x2 = y + 5y = -12x + 13
A. Two
B. Two
C. One
D. One
Answer: B
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Solve the problem.Researchers have discovered that by controlling both the temperature and the relative humidity in a building, the growth of a certain fungus can be limited. The relationship between temperature and relative humidity, which limits growth, can be described byR(T) = -0.00005T3 + 0.326T2 - 1.5572T + 97.086,0 ? T ? 46,where R(T) is the relative humidity (in %) and T is the temperature (in °C). Find the temperature at which the relative humidity is minimized.
A. -0.61°C B. 2.39°C C. 4344.28°C D. 3.39°C
Evaluate.73
A. 242 B. 243 C. 49 D. 343
Find the area of the specified region.Inside the limacon r = 8 + 4 sin ?
A. 144? B. 72? C. 144? - 64 D. 72? + 64
Use the given graph of f(x) = ax2 + bx + c to solve the specified inequality.f(x) > 0
A. x > 3 B. x = 0 C. All real numbers D. No solutions