Find the zero of f.f(x) = 5x + 10
A. 2
B. -10
C. 10
D. -2
Answer: D
Mathematics
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Solve for x using an equivalent exponential expression.log5 x = -2
A. -10
B. -25
C. 32
D. 
Mathematics
Graph the function.y = -2 cos (2?x + 3?)
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.cos (265° - 25°)
A. - 
B. - 
C. 
D. - 
Mathematics
Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.tan ? = 
Find sin ? and cos ?.
A. sin ? = 
, cos ? = 
B. sin ? = 
, cos ? = 
C. sin ? = 
, cos ? = 
D. sin ? = 
, cos ? = 
Mathematics