Write the phrase as an algebraic expression and simplify if possible. Let x represent the unknown number.One-half a number, minus six, plus two times the number.
A. 
x - 6 + 2x
B. 
x - 6
C. 
x - 4
D. 
x - 3
Answer: B
Mathematics
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Simplify.
A. 
B. 
C. 
D. 
Mathematics
Find an expression equivalent to the given expression.cosh2 x - sinh2 x
A. 1 B. 1 - 2 sinh2 x C. -1 D. 2 cosh2 x - 1
Mathematics
The function f is one-to-one. Find its inverse.f(x) = x3 - 2
A. f-1(x) = 
B. f-1(x) = 
- 2
C. f-1(x) = 
+ 2
D. f-1(x) = 
Mathematics
Provide an appropriate response.Use the equation (Dividend) = (Divisor)(Quotient) + (Remainder) to complete the following. 
= x2 - 9x + 1 implies (x - 5)(x2 - 9x + 1) = 
.
A. x3 - 14x2 + 46x - 5 B. x - 5 C. not enough information given D. x2 - 9x + 1
Mathematics