Let x be a number. Translate the following into an expression or an equation, as appropriate, and then simplify the expression or solve the equation.One-half a number, minus ten, plus three times the number
A. 
x - 10 + 3x
B. 
x - 10
C. 
x - 7
D. 
x - 5
Answer: B
Mathematics
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Find the solution set for each inequality. Graph the solution set on a number line and write it in interval notation.|x| ? 4
A. (-?, -4] ? [4, ?)
B. [-4, 4]
C. (-?, 4]
D. (-4, 4)
Mathematics
Represent the vector in the form v = ai + bj whose magnitude and direction angle are given.
= 10; ? = 120°
A. v = 5
i - 5j
B. v = -5i + 5
j
C. v = -5
i + 5
j
D. v = 5i - 5
j
Mathematics
Find the slope of the line and sketch the graph.3x - 4y = -18
A. Slope: - 
B. Slope: 
C. Slope: - 
D. Slope: 
Mathematics
Use the verbal description to write a formula for f(x). Then evaluate the function as indicated.Output 1.6 for every input. Find f(1).
A. f(x) = 1.6; 1.9 B. f(x) = 1; 1.6 C. f(x) = 1.6; 1 D. f(x) = 1.6; 1.6
Mathematics