Solve the problem.If f(x) = sin x and f(a) = - 
, find the exact value of f(a) + f(a - 4?) + f(a - 2?).
A. 
B. - 
C. - 
D. 
Answer: C
Mathematics
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Write the number in scientific notation.420,000
A. 4.2 x 105 B. 4.2 x 10-6 C. 4.2 x 10-5 D. 4.2 x 106
Mathematics
Use Euler's method with given values of n to obtain an approximation of the initial value problem when 
. Round your answers to four decimal places, if necessary.
?
, 
?
, 
__________
?
, 
__________
What will be an ideal response?
Mathematics
Solve the equation.4x = 64
A. {3} B. {16} C. {2} D. {4}
Mathematics
Solve by the substitution method. x + y = 76x + 6y = 42
A. {(0, 0)} B. {(5, 2)} C. {(x, y)| x + y = 7} D. ?
Mathematics