Show that the real zeros of the function f ( x ) = a x 2 + b x + c are the negatives of the real zeros of the function g ( x ) = a x 2 − b x + c . Assume that b 2 − 4 a c ≥ 0.
Show that the real zeros of the function f ( x ) = a x 2 + b x + c are the negatives of the real zeros of the function g ( x ) = a x 2 − b x + c . Assume that b 2 − 4 a c ≥ 0.
Solution Summary: The author explains that the real zeros of f(x) are the negatives
Show that the real zeros of the function
f
(
x
)
=
a
x
2
+
b
x
+
c
are the negatives of the real zeros of the function
g
(
x
)
=
a
x
2
−
b
x
+
c
. Assume that
b
2
−
4
a
c
≥
0.
Force with 800 N and 400 N are acting on a machine part at 30° and 60°, respectively with the positive x axis
Find the accumulated amount A, if the principal P is invested at an interest rate of r per year for t years. (Round your answer to the nearest cent.)
P = $13,000, r = 6%, t = 10, compounded quarterly
A = $ 31902
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TANAPCALC10 5.3.003.
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Find the accumulated amount A, if the principal P is invested at an interest rate of r per year for t years. (Round your answer to the nearest cent.)
P = $140,000, r = 8%, t = 8, compounded monthly
A = $259130.20 X
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Find the present value of $20,000 due in 3 years at the given rate of interest. (Round your answers to the nearest cent.)
(a) 2%/year compounded monthly
(b) 5%/year compounded daily
$
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[-/6.66 Points] DETAILS
MY NOTES
TANAPCALC10 5.3.009.
ASK YOUR TEACHER
PRACTICE ANC
Find the accumulated amount after 3 years if $4000 is invested at 3%/year compounded continuously. (Round your answer to the nearest cent.)
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Chapter 2 Solutions
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (4th Edition)
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