College Alegbra 7
ASSIGNMENT 7
MA240 College Algebra
Directions: Be sure to make an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sentences, and be sure to use correct English spelling and grammar. Sources must be cited in APA format. Your response should be a minimum of one (1) single-spaced page to a maximum of two (2) pages in length; refer to the "Assignment Format" page for specific format requirements.
NOTE: Show your work on the problems.
1. The graph of the polynomial function P(x) is shown.
1
125
a. List the real zeros of P(x).
b. List the turning points of P(x).
c. State the left and right behavior of P(x).
2. $2,350 is invested in account paying 9% compounded semiannually. How much will the account be worth after 8 years? Show your work.
3. Change each exponential form to an equivalent logarithmic form:
a. 32 = 25
b.
c. 12 = 1441/2
4. Change each logarithmic form to an equivalent exponential form:
a. log 3 81 = 4
b. log 10 0.0001 = –4
c.
3
1
log–5
243
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=
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This is the end of Assignment 7.