special functions, statistics homework help
For each of the questions, provide the correct answer and explanation. Double check all work for accuracy
Which equation is shown in the graph?
a. y = [[x]]
b. y = [[x + 3]]
c. y = [[x]] - 3
d. y = |x - 3|
=========================================================
Which function is shown in the graph?
a. y = | x | + 4
b. y = | x + 4 |
c. y = | x | - 4
d. y = | x - 4 |
=============================================================
Given the function: f(x) = -½ | x+4| Describe the transformations to the function
A. moves to the right 4 units and is wider than the parent function
B. moves to the left 4 units and is wider than the parent function
C. moves to the right 4 units, is wider than the parent function, and is flipped over the x-axis
D. moves to the left 4 units, is wider than the parent function, and is flipped over the x-axis
========================================================================
Given the function: f(x) = 2|x-2| + 3 Describe how the function is transformed
a. Moves to the right by 2 and up by 3 units
B. Moves to the left by 2, up 3 units, and is steeper than the parent function
C. Moves to the right by 2, up 3 units, and is steeper than the parent function
D. Moves to the left by 2, up 3 units, and is flatter than the parent function
========================================================================
For which function is the range {y | y ≤ 0}?
a. f(x) = - x
b. f(x) = [[x]]
c. f(x) = | x |
d. f(x) = - | x |
————————————————————————————————————————————-
Which piecewise function is equivalent to the absolute value function and its graph?
y = 2|x - 4| + 2
A. | |
B. | |
C. | |
D. |
====================================================================================
Which of the following situations could be graphed using a step function?
a. The cost for a phone plan is $25 per month and 10 cents per minute.
b. McDonald’s employees get paid $7.25 per hour up to 40 hours and they make $10.88 per hour if they work over $40 hours.
c. A t-shirt company charges a flat fee of $35 plus $4 per shirt for up to 100 shirts. If more than 100 shirts are ordered, the cost is $35 plus $2 per shirt.
d. A phone company charges $40 if you use less than 250 minutes, $75 if you use between 250-450 minutes, and $100 for more than 450 minutes.
======================================================================
Which graph shows the piecewise function given below?
A. |
B. |
C. |
D. |
============================================================================
Which of the following represents a step function?
A. |
B. |
C. |
D. |
==============================================================================
A. | |
B. | |
C. | |
D. |
Leave a Reply
Want to join the discussion?Feel free to contribute!