Write the expression as a Hindu-Arabic numeral.7(101) + 8(100)
A. 870
B. 87
C. 78
D. 780
Answer: C
Mathematics
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Find the logarithm using the change-of-base formula.log300 30
A. 1.677 B. 5.7038 C. 0.5963 D. 3.4012
Mathematics
Answer the question about the given function.Given the function f(x) = -7x2 - 14x + 8, what is the domain of f?
A. all real numbers B. {x|x ?-1} C. {x|x ? -1} D. {x|x ? 1}
Mathematics
Solve.--2 = -4x + 10
A. 2 B. 8 C. -2 D. 4
Mathematics
Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.cos ? = - 
, ? in quadrant II Find cos 2?.
A. 
B. 
C. - 
D. - 
Mathematics