Write a chain rule formula for the following derivative.
for z = f(r, s); r = g(t), s = h(t)
A. 
= 
+ 
B. 
= 
+ 
C. 
= 
D. 
= 
+ 
Answer: D
Mathematics
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Mathematics
Multiply. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.An initial investment of $480 is appreciated for 5 years in an account that earns 18% interest, compounded quarterly. Find the amount of money in the account at the end of the period.
A. $677.62 B. $1107.77 C. $1098.12 D. $1157.62
Mathematics
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.csc (-30°)
A. -2
B. 2
C. 
D. - 
Mathematics