Write the equation of each function shown below in vertex and standard form. Verify your equations using your calculator. A a. b. EVE

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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4. Write the equation of each function shown below in vertex and standard form. Verify your equations using your
calculator.
a.
2
1
-4
b.
Level 4:
5. The equation R(x) = -5x² + 15x + 20 models the revenue (profit - costs) of a company in hundreds of
thousands of dollars for every thousand units sold. Identify all key characteristics. How many units can the company
sell and still make a profit?
2. Solve the equation for the value(s) of x. (There should be 2 answers for x value. Finding 1 is good enough for
today ET, but if you find both x values and get 100 on today's ET, you can change a lowest ET to 100 in Q1.)
x² + 6x = 16
Transcribed Image Text:4. Write the equation of each function shown below in vertex and standard form. Verify your equations using your calculator. a. 2 1 -4 b. Level 4: 5. The equation R(x) = -5x² + 15x + 20 models the revenue (profit - costs) of a company in hundreds of thousands of dollars for every thousand units sold. Identify all key characteristics. How many units can the company sell and still make a profit? 2. Solve the equation for the value(s) of x. (There should be 2 answers for x value. Finding 1 is good enough for today ET, but if you find both x values and get 100 on today's ET, you can change a lowest ET to 100 in Q1.) x² + 6x = 16
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