Provide an appropriate response.State whether the following situation represents direct variation, inverse variation, or neither, and explain why: The cost of mailing a letter in the United States and the distance that it travels.
What will be an ideal response?
Neither; the cost of mailing a letter in the United States is not affected by the distance it travels.
Mathematics
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Graph the function as a solid curve and its inverse as a dashed curve.f(x) = 
x + 5 
A. 
B. 
C. 
D. 
Mathematics
Write the English phrase as an algebraic expression. Let x represent the number. Simplify the expression, if possible.4 more than 8 times a number
A. 8x + 4 B. 4x + 8 C. 8(4 + x) D. 12x
Mathematics
Find the domain of the function.
A. [3, ?) B. (-?, ?) C. (3, ?) D. (-?, 3) ? (3, ?)
Mathematics
Write the system of linear equations represented by the augmented matrix and then solve. (Use variables x, y, and z.)
a. x = 35, y = –3, z = 1
b. x = 4, y = 1, z = 5
c. x = 1, y = –4, z = –5
d. x = 1, y = 4, z = 5
Mathematics