Find the exact value of the expression.sin 25° cos 35° + cos 25° sin 35°
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.The sales of a mature product (one which has passed its peak) are given by the function 
where t is time in years. Find the sales after 9 years if 
and 
A. 25,639 B. 66,962 C. 22,740 D. 12,820
Mathematics
Replace the polar equation with an equivalent Cartesian equation.r2 + 2r2 sin ? cos ? = 144
A. x2 + y2 = 144 B. x2 + 3y2 = 144 C. x + y = ±12 D. x + y = 12
Mathematics
Find the indicated composite for the pair of functions.Given f(x) = 4x + 6 and g(x) = 2x - 1, find (f ? g)(x).
A. 8x + 2 B. 8x + 5 C. 8x + 10 D. 8x + 11
Mathematics
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.1 + 3 + 32 + ... + 3n - 1 = 
What will be an ideal response?
Mathematics