Write the following phrase as an algebraic expression and simplify if possible. Let x represent the unknown number.One-half a number, minus eight, plus two times the number
A. 
x - 4
B. 
x - 8
C. 
x - 6
D. 
x - 8 + 2x
Answer: B
Mathematics
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Calculate the value of the given function by using the indicated number of terms of the appropriate series.cos 5° (3 terms)
A. 0.9961947 B. 0.9962068 C. 1.0910742 D. 0.0871557
Mathematics
Solve the problem.Find and simplify f(a + h) - f(a), given f(x) = x2 + 3x - 6.
A. 2a2 + 2ah + h2 + 3h B. h2 + 3h C. 2a2 + h2 + 3h D. 2ah + h2 + 3h
Mathematics
Find the reciprocal.
A. 
B. 13
C. 
D. 
Mathematics
Determine whether the values in the table describe x as a function of y. ? x -7 -1 0 3 4.2 9 11 14 18 22 y -2 -1 1 5 10 11 35 28 22 60
Answer the following statement true (T) or false (F)
Mathematics