Convert as indicated. When necessary, round to the nearest tenth of a degree.In a European cookbook, a recipe requires a mixture for candy to be heated to 
but the cook only has access to a Fahrenheit thermometer. Find the temperature in degrees Fahrenheit that should be used for making this candy.
A. 259.2° F
B. 233.6° F
C. 242.8° F
D. 80° F
Answer: B
Mathematics
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Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. Determine where the function is increasing and where it is decreasing. If necessary, round answers to two decimal places.f(x) = 0.15x4 + 0.3x3 - 0.8x2 + 5; (-4, 2)
What will be an ideal response?
Mathematics
Use the sum/difference identities to simplify the expression. Do not use a calculator.cos 
cos 
+ sin 
sin 
A. cos 
B. cos 
C. cos 
D. cos 
Mathematics
Multiply or divide and leave the answer in trigonometric notation.
A. 10(cos 25° - i sin 25°)
B. 6(cos 25° + i sin 25°)
C. 10
D. 6(cos 49° + i sin 49°)
Mathematics
Evaluate the difference quotient for the function. f (x) = 2x - 9
a. –9
b. 
C) 9
D) 2x + 9
E) 2
Mathematics