You got 2 types of data $ and %!
Line them up accordingly and cross multiply.
16% is to $38 as
100% is to $x
X= 38•100/16= $237.5 the price before discount
445.76 * 9.634
use your calculator
answer is 4294.45184
Hello :
<span>(x 4 +5x² - 36)(2x ²+ 9x - 5) = 0</span>
The first thing to do is find the x-intercepts of the function so that you can plot them. Set the function f(x) to zero and find the values of x.
0 = <span>(x + 8)3(x + 6)2(x + 2)(x − 1)3(x − 3)4(x − 6)
There are 6 intercepts:
x+8=0 ---> x= -8
x+6=0 ---> x=-6
x+2=0 ---> x=-2
x-1=0 ---> x=1
x-3=0 ---> x=3
x-6=0 ---> x=6
The 6 intercepts are plotted as shown in the picture. The tool I used was Microsoft Excel. This is one possible sketch of the graph. The trend could move in any ways as long as it passes these 6 intercepts.</span>
The <span> answer is 6.75. Since if you divide the number by 8 you get 6.75.</span>