Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(s, t), y = h(s, t), z = k(s)
A. 
= 
+ 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
Answer: A
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Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.4 csc2 ? = 5 csc ?
A. {53.1° + 360°n, 126.9° + 360°n} B. {0° + 360°n, 53.1° + 360°n, 126.9° + 360°n, 180° + 360°n} C. {0° + 360°n, 53.1° + 360°n, 126.9° + 360°n} D. {0° + 360°n, 53.1° + 360°n, 126.9° + 360°n, 233.1° + 360°n}
Write the number in scientific notation as it would be displayed on a calculator.360,000
A. 3.6E-5 B. 3.6E-3 C. 3.6E5 D. 3.6E3
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.x2 + y2 = 49x2 + y2 = 4
A. Zero
B. Two
C. Two
D. Two
Write a word name for the number in the sentence.Last week, Jeremy's income after taxes was $981.85
A. Nine hundred eighty-one and eighty-five hundredths B. Nine hundred eighty-one and eighty-five tenths C. Nine hundred eighty-one and eighty-five thousandths D. Nine hundred eighty-one and eighty-five millionths