Please help and show all your work for all the questions. Thank you!Exponential and Logarithmic Functions Unit Test
Nayrouz Bachir­Belmehdi is taking this assessment.
Multiple Choice
1. Which graph best represents y = 2x + 1? (1 point)
2. Some investments in the stock market have earned 10\% annually. At this rate, earnings can be (1 point)
found using the formula
, where A is the total value of the investment, P is the
initial value of the investment, and n is the number of years the money is invested. If $1,500 is
invested in the stock market at this annual rate of return, what is the expected total value after
18 years?
$29,700.00
$28,050.00
$8,339.88
$7,581.71
3. Graph the logarithmic function. (1 point)
y = log(x – 3)
4. Expand the logarithmic expression. (1 point)
5. What is the value of log648? (1 point)
3
2
6. Solve the exponential equation. (1 point)
1258x–2 = 150
–0.1203
0.3797
0.3705
2.1297
7. Solve log(2x + 3) = 3. (1 point)
500
997
8. What is the percent rate of change in function y = (0.98)x? Determine whether the function
represents exponential growth or exponential decay.
2\%; exponential growth
20\%; exponential growth
2\%; exponential decay
0.2\%; exponential decay
(1 point)
9. Use natural logarithms to solve the equation. Round to the nearest thousandth. (1 point)
3e2x+ 2 = 28
1.0797
0.4689
0.9261
2.1595
10. Write the expression as a single logarithm. (1 point)
5logby + 4logbx
logb(y5 + x4)
logb(y5x4)
(5 + 4) logb(y + x)
logb(yx5 + 4)
11.
The exponential decay graph shows the expected depreciation for a new boat, selling for
$3,500, over 10 years.
Write an exponential function for the graph. Use the function to find the value of the boat after
9.5 years.
(2 points)
Select attachment
or drag and drop a file into this area – 20 MB limit
12. Write the equation in logarithmic form. (2 points)
Select attachment
13.
Evaluate the logarithm.
or drag and drop a file into this area – 20 MB limit
(2 points)
Select attachment
or drag and drop a file into this area – 20 MB limit
14. Solve 1n2 + 1nx = 5. Round to the nearest thousandth, if necessary. (2 points)
Select attachment
or drag and drop a file into this area – 20 MB limit
15. In a particular region of a national park, there are currently 330 deer, and the population is
increasing at an annual rate of 11\%.
a. Write an exponential function to model the deer population.
b. Explain what each value in the model represents.
c. Predict the number of deer that will be in the region after five years. Show your work.
(3 points)
Select attachment
or drag and drop a file into this area – 20 MB limit
16. Describe how the graph of y = 2log (x – 4) + 2 compares to the parent graph. Discuss any
3
changes in the asymptotes, domain, and range.
(4 points)
Select attachment
or drag and drop a file into this area – 20 MB limit
©; 2015 Connections Education LLC.

Purchase answer to see full
attachment




Why Choose Us

  • 100% non-plagiarized Papers
  • 24/7 /365 Service Available
  • Affordable Prices
  • Any Paper, Urgency, and Subject
  • Will complete your papers in 6 hours
  • On-time Delivery
  • Money-back and Privacy guarantees
  • Unlimited Amendments upon request
  • Satisfaction guarantee

How it Works

  • Click on the “Place Order” tab at the top menu or “Order Now” icon at the bottom and a new page will appear with an order form to be filled.
  • Fill in your paper’s requirements in the "PAPER DETAILS" section.
  • Fill in your paper’s academic level, deadline, and the required number of pages from the drop-down menus.
  • Click “CREATE ACCOUNT & SIGN IN” to enter your registration details and get an account with us for record-keeping and then, click on “PROCEED TO CHECKOUT” at the bottom of the page.
  • From there, the payment sections will show, follow the guided payment process and your order will be available for our writing team to work on it.