Use the vertical line test to determine whether or not the graph is a graph in which y is a function of x.
A. function
B. not a function
Answer: A
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Solve the problem.A loaf of bread is removed from an oven at 
and cooled in a room whose temperature is 
. If the bread cools to 
in 20 minutes, how much longer will it take the bread to cool to 
A. 11 min B. 30 min C. 10 min D. 21 min
Use the discriminant to determine whether the equation has two rational solutions, one rational solution, two irrational solutions, or two nonreal complex solutions. Do not actually solve.w2 + 5w + 8 = 0
A. Two rational solutions B. Two irrational solutions C. One rational solution D. Two nonreal complex solutions
Specify the domain of the function.f(x) = 2x2 + 6x - 1
A. x < 0 B. x > 0 C. x ? 0 D. All real numbers
Match the given function to its graph.1) y = 2 sin(3x)2) y = 2 sin src="https://sciemce.com/media/4/ppg__tttt0523191139__f1q91g6.jpg" alt="" style="vertical-align: 0.0px;" height="200" width="200" />
A. 1C, 2A, 3B, 4D
B. 1D, 2B, 3A, 4C
C. 1A, 2C, 3D, 4B
D. 1C, 2A, 3D, 4B
3) y = 2 cos(3x)4) y = 2 cos
AB
?
CD
?