Simplify.(
+ 4)(
- 4)
A. 22
B. 2
C. 6 - 2
D. -10
Answer: D
Mathematics
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Translate the problem to a system of equations; then solve using the elimination method.Walt made an extra $7000 last year from a part-time job. He invested part of the money at 9% APR and the rest at 8% APR. He made a total of $590 in interest. How much was invested at 8%?
A. $3500 B. $4000 C. $3000 D. $5000
Mathematics
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(0, 3)
A. increasing B. constant C. decreasing
Mathematics
Solve the equation.1 + 
= 
A. 3, -2
B. 3, 2
C. - 
, 
D. -3, 2
Mathematics
Find the given value.Find (f + g)(6) when f(x) = 
and g(x) = 4x + 1.
A. 28 B. 37 C. 27 D. 4
Mathematics