Find the slope of the line containing the two points.(6, 3); (-3, 6)
A. - 
B. 
C. 3
D. - 3
Answer: A
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Write the equation for the plane.The plane passing through the points (1, 2, 6), (-1, 4, 0), and (3, 1, 5).
A. 9x - 2y + 8z = 53 B. 6x + 11y - z = 22 C. 4x + 7y + z = 24 D. 2x + 4y + 5z = 40
For the given expression y', find y'' and sketch the general shape of the graph of y = f(x). y' = 
- 2
A. 
B. 
C. 
D. 
Solve the problem.Newton's Law of Cooling states that the temperature of a heated object decreases exponentially over time toward the temperature of the surrounding medium. Suppose that a coffee is served at a temperature of 146°F and placed in a room whose temperature is 70°F. The temperature ? (in °F) of the coffee at time t (in minutes) can be modeled by ?(t) = 70 + 76e-0.09t. What is the temperature of the coffee in 5 minutes?
A. 123.0°F B. 114.3°F C. 123.5°F D. 118.5°F
Solve the problem.Suppose that f is continuous and that 
and 
Find 
.
A. 4 B. -4 C. -2 D. 2