Use your graphing calculator to graph the given function. Then provide an appropriate response.Graph f(x) = log3 x. Is the function increasing or decreasing?
A. decreasing
B. increasing
Answer: B
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Add or subtract. Express the answer as a mixed number.1
+ 1
A. 3
B. 1
C. 3
D. 2
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies directly with x. When x = 0.5, then y = 2.
A. k = 0.5; y = 0.5x B. k = 0.25; y = 0.25x C. k = 4; y = 4x D. k = 1.5; y = x + 1.5
Find the equation of the parabola which has the given vertex V, which passes through the given point P, and which has the specified axis of symmetry.V(0, 0), P(-3, -5), vertical axis of symmetry
A. x2 = - 
y
B. y2 = - 
x
C. y2 = - 
x
D. x2 = - 
y
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500