Answer:
option 4
Step-by-step explanation:
<u>Given</u><u> </u><u>Equation</u><u> </u><u>:</u><u>-</u><u> </u>
=> -4| x + 9 | = -8
<u>To </u><u>FinD</u><u> </u><u>:</u><u>-</u><u> </u>
=> Solution of the equation .
<u>Solving </u><u>it </u><u>:</u><u>-</u><u> </u>
=> -4| x + 9 | = -8
=> | x + 9 | = -8/-4
=> |x + 9| = 2
=> ( | x + 9 | )² = 2²
=> x + 9 = ±2
=> x = -9 +2 , -9-2
=> x = - 7 , -11
Option 4 is correct.
Answer:
k=9
Step-by-step explanation:
First find r=22/20=1.1
The sum of the first k terms formula is a1•(1-r^k)/(1-r)
a1=20 and the sum is 271.59
Now plug in these values in the formula and find k.
271.59=20(1-1.1^k)/(1-1.1)
When you simplify this equation, you will get k=ln(2.358)/ln(1.1)
k=9
B intersection is the correct answer
Answer:
Logarithms are the "opposite" of exponentials, just as subtraction is the opposite of addition and division is the opposite of multiplication. Logs "undo" exponentials. Technically speaking, logs are the inverses of exponentials. On the left-hand side above is the exponential statement "y = bx
Step-by-step explanation:
