Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.A company predicts that sales will increase rapidly after a new product is released, with the number of units sold weekly modeled by N = 8000(0.2)0.5t, where t represents the number of weeks after the product is released. How many units per week were sold at the end of the first week of the campaign?
A. 2862 units B. 4293 units C. 5367 units D. 3578 units
Simplify the expression.(
- 3)(
- 5)
A. 
+ 15
B. 
- 8
+ 15
C. -7
+ 15
D. 
- 5
- 3
+ 15
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
A. 
B. 
C. t-7
D. t2
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = -x2 - 
x + 6
A. minimum at 
B. maximum at 
C. minimum at 
D. maximum at 