Rational Inequalities

Question 1

The domain of an exponential function is . The range of an exponential function is .

Revolt · Accepted Answer

A: all real numbers

Question 2

Which statements about the graph of the function are true?

Revolt · Accepted Answer

B: The function is decreasing.; D: The y-intercept is (0, 1).

Question 3

Which functions represent exponential growth?

Revolt · Accepted Answer

B: y = h(x); D: y = k(x)

Question 4

Explore transformations of the basic exponential function , shown right. First, change the slider for h to positive values such as 1, 2, or 3. The curve shifts h units

Revolt · Accepted Answer

C: right.

Question 5

The domain of an exponential function is . The range of an exponential function is .

Revolt · Accepted Answer

C: positive real numbers

Question 6

Which functions have a horizontal asymptote?

Revolt · Accepted Answer

A: y = f(x); B: y = h(x); C: y = g(x); D: y = k(x)

Question 7

If h is instead negative, the curve shifts

Revolt · Accepted Answer

D: left.

Question 8

The graph of an exponential function has .

Revolt · Accepted Answer

B: a y-intercept only

Question 9

Next, change the slider for k to different positive values. The curve shifts k units

Revolt · Accepted Answer

A: up.

Question 10

The graph is throughout its domain and has at the x–axis because the value bx can get very close to 0 but never reach it.

Revolt · Accepted Answer

C: increasing

Rational Inequalities Answers

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