Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. (0, 13)
B. (0, -4)
C. (0, -1)
D. none
Answer: C
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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
Find a linear function whose graph has the given slope and y-intercept.Slope - 
, y-intercept 
A. f(x) = 
x + 
B. f(x) = - 
x + 
C. f(x) = 
x - 
D. f(x) = - 
x - 
Solve the problem.At the start of a chemistry experiment, Sarah measured the temperature of a liquid to be 
At the end of the experiment, it had risen 
What was the liquid's temperature at the end of the experiment?
A. -30° C B. 40° C C. -40° C D. 30° C
Simplify.[(6.2 - 4) ÷ 8] - 2
A. -0.6 B. -2.1 C. -0.725 D. -0.35