Simplify. Assume that variables can represent any real number.
A. 7t
B. 24
C. 7
D. 7t2
Answer: C
Mathematics
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Find the average value of the function over the given interval.f(x) = 8 - x on [0, 8]
A. 8 B. 256 C. 32 D. 4
Mathematics
Clear fractions then solve by substitution.
- 
= -18
+ 
= -9
A. ?
B. {(-12, 0)}
C. {(12, 0)}
D. 
Mathematics
An open box is to be made from a square piece of cardboard, 33 inches on a side, by cutting equal squares with sides of length x from the corners and turning up the sides (see figure below). Determine the function, V, in terms of x, that represents the volume of the box.
A. 
B. 
C. 
D. 
E. 
Mathematics
Use the elimination method to solve the system of linear equations. 3x - 2y = 4-6x + 4y = 7
A. (1, 2) B. Infinite number of solutions C. (2, 1) D. No solution
Mathematics