Multiply and simplify(x + 3)(x - 8)a) 2x-24b) x2-5x+24c) x2- 5x-24dx2- 8x - 24
2 answers:
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Answer:
- The amount invested at 5%=$77,000
- The amount invested at 9%=$349,000
Step-by-step explanation:
- Let the amount invested at 5% simple interest =$x
He invested $41,000 more than 4 times the amount at 9%.
- This amount is: $(4x+41000)
Total Annual Interest Earned = $35,260
Therefore, Time=1 year
Simple Interest
Therefore, his total interest
=Interest from Investment 1 + Interest from Investment 2
Therefore:
The amount invested at 5%=$77,000
The amount invested at 9%=$(4*77,000+41000)=$349,000
Equate whats inside (arguments) with base period of sine function
and solve for x to get period,
So the period of the graph of the given function is precisely 2.
Hope this helps :)