Graph each function and determine the y-intercept, then use the graph to determine the approximate value of the given expression
2 answers:
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Answer:
The rate is 6.43%
Step-by-step explanation:
Given
--Interest
-- Principal
--Time
Required
Determine the rate
Using simple interest formula:
Make R the subject
Convert time to years
Substitute values for I, P and T
Convert to percentage
Answer:
For 2a, we are completing the square (see the image below)
To find the stationary point (2b) you change the sign of the number inside the brackets and keep the number outside the same i.e (-2, 7)
Hope this helps!
