D771 Quantitative Literacy – WGU – Exam Questions with Correct Answers (Complete Study Material)

D771 Quantitative Literacy – WGU – Exam
Questions with Correct Answers
(Complete Study Material)


Introduction:
This document contains a full collection of exam-style
questions and correct answers for the WGU course
D771 Quantitative Literacy. It covers key concepts such
as linear and exponential functions, budgeting,
probability, unit conversions, geometry formulas,
interest calculations, and proportional reasoning. The
material provides clear examples, formulas, and
definitions aligned with the course objectives. It is
suitable for thorough exam preparation and quick
review before assessments.



Exam Questions and Answers:
In y = mx + b, what does b represent? -Answers:-The
y-intercept (starting value).


Example: $2000 setup fee + $30 per person. Function?
-Answers:-y = 30x + 2000.

, What is linear growth? -Answers:-Increase by the
same fixed amount each step.


What is exponential growth? -Answers:-Increase by
the same fixed percentage each step.


Linear growth recursive formula? -Answers:-Pn = Pn−1
+ d.


Linear growth explicit formula? -Answers:-Pn = P0 +
dn.


Exponential growth explicit formula? -Answers:-Pn =
P0(1 + r)^n.


Example of linear growth: 437 bottles + 32/year.
Formula? -Answers:-Pn = 437 + 32n.


Example of exponential growth: $10,000 at 5%
interest. Formula? -Answers:-y = 10,000(1.05)^n.


What are net earnings? -Answers:-Income after taxes
are deducted.