Exam 1: Functions and Graphs

arrow
  • Select Tags
search iconSearch Question
  • Select Tags

What two functions implicitly define the relation x+y=2?x+|y|=2 ? What is the domain?

(Essay)
4.8/5
(32)

Let f(x)=x5f(x)=\sqrt{x-5} (a) Why does ff have an inverse that is a function? (b) Find a rule for f1(x)f^{-1}(x)

(Essay)
4.8/5
(42)

Use a graphing calculator to determine all local maxima and/or minima for the function y=2x35x24xy=2 x^{3}-5 x^{2}-4 x Give the values where the extremum occur to two decimal places.

(Essay)
4.7/5
(33)

Let f(x)=5(x+1)2f(x)=-5(x+1)^{2} and g(x)=x22g(x)=\frac{x-2}{2} Find the function fg.f \circ g . Give the domain of fgf \circ g

(Essay)
4.8/5
(33)

Find all vertical and horizontal asymptotes of the graph of y=3xx23x10y=\frac{3 x}{x^{2}-3 x-10}

(Essay)
4.9/5
(42)

Solve the inequality 2(x2)1 |2(x-2)| \geq 1 algebraically. Write the solution in interval notation and draw its number line graph.  Solve the inequality   |2(x-2)| \geq 1   algebraically. Write the solution in interval notation and draw its number line graph.

(Essay)
4.7/5
(37)

Determine the domain of the real-valued function f(x)= ln (4-x) .

(Multiple Choice)
4.9/5
(32)

Let f(x)=2x33x2+5x+6f(x)=2 x^{3}-3 x^{2}+5 x+6 Find an equation for g , the reflection of f across the y -axis.

(Short Answer)
4.9/5
(36)

Which of these functions is one-to-one?

(Multiple Choice)
5.0/5
(40)

(a) Find all the zeroes for the function f(x)=3x46x2f(x)=3 x^{4}-6 x^{2} (b) List the intervals where the function f(x)=3x46x2f(x)=3 x^{4}-6 x^{2} is increasing.

(Essay)
4.9/5
(37)
Showing 41 - 50 of 50
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)