Answer:
(1) For x = –12, g (x) = -9
For x = –9, g (x) = -3
For x = –6, g (x) = 3
For x = –3, g (x) = 9
(2) The principal amount of money is $80.
Step-by-step explanation:
(1)
The expression of g (x) is,
The complete table is:
x g (x)
-15
-12
-9
-6
-3
0
(2)
The formula for simple interest is:
Given:
I = $40
r = 10%
t = 5 years.
Compute the value of <em>P</em> as follows:
Thus, the principal amount of money is $80.
______ spent 180 dollars on CDs. Each CD costed 15 dollars. How many CDs did ______ buy?
1. Rewrite the equation in the form x2 +bx<span> = </span>c.
2. Add to both sides the term needed to complete the square.
3. Factor the perfect square trinomial.
<span>4. Solve the resulting equation by using the square root property.</span>
215° because when you add multiples of 360 until you get an angle in the desired range.