Two ships leave the same port at noon. Ship A sails north at 20 mph, and ship B sails east at 12 mph. How fast is the distance between them changing at 1 p.m.?
What will be an ideal response?
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Determine whether f and g are inverses by determining whether 
and 
f(x) = 6x, g(x) = 
A. Yes B. No
An isosceles triangle is a triangle in which two sides are equal in length. The angle between the two equal sides is called the vertex angle, while the other two angles are called the base angles. If the vertex angle is 40°, what is the measure of the base angles? ? __________°
Fill in the blank(s) with the appropriate word(s).
Use the graph to determine the domain and range of the function. 
A. domain: all real numbers range: all real numbers B. domain: {x|x ? -1, x ? 1} range: {y|y ? 0 or y ? 1} C. domain: {x|x ? -1, x ? 1} range: {y|y ? 0 or y > 1} D. domain: {x|x ? 0 or x > 1} range: {y|y ? -1, y ? 1}
Determine if the ordered pair is a solution to the system of linear inequalities in two variables.
; (1, -4)
A. Yes B. No