Find the value of the expression without using a calculator.log 5 + log200
A. 1000
B. 3
C. 10
D. 1
Answer: B
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Sketch the graph of the function. Also, find the domain and range of the function.f(x) = 
+ 2
A. domain: x ? -2; range: y ? 0
B. domain: x ? 0; range: y ? 2
C. domain: x ? 0; range: y ? 2
D. domain: x ? 2; range: y ? 0
Decide whether the given set of numbers is a commutative group under the given operation.Whole numbers; addition
A. No B. Yes
In the expression 3x + 4:
a. What is the literal term? b. What are the real numbers?
Solve the problem.Consider the quadratic model h(t) = -16t2 + 40t + 50 for the height (in feet), h, of an object t seconds after the object has been projected straight up into the air. Find the maximum height attained by the object. How much time does it take to fall back to the ground? Assume that it takes the same time for going up and coming down.
A. maximum height = 75 ft; time to reach ground = 1.25 seconds B. maximum height = 50 ft; time to reach ground = 1.25 seconds C. maximum height = 50 ft; time to reach ground = 2.5 seconds D. maximum height = 75 ft; time to reach ground = 2.5 seconds