Functions A,B and C are linear functions. Some values of function A are shown in the table. Function B has y-intercept of (3,0)
1 answer:
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1. Number of books that were sold after 8 months:
![f(8)=1000 \sqrt[3]{8}+1000 f(8)=1000 * 2 + 100 = 2000+1000=3000](https://tex.z-dn.net/?f=f%288%29%3D1000%20%5Csqrt%5B3%5D%7B8%7D%2B1000%0Af%288%29%3D1000%20%2A%202%20%2B%20100%20%3D%202000%2B1000%3D3000)
Answer: 3000 books
2. Graph of the function is in attachment.
Answer: 3000 books
2. Graph of the function is in attachment.
Erm
x+y=6
xy=12
x+y=6
y=6-x
sub back
xy=12
x(6-x)=12
6x-x^2=12
x^2-6x=-12
x^2-6x+12=0
quadratic formula
for
ax²+bx+c=0
for
x²-6x+12=0
a=1
b=-6
c=12
and remember that √-1=i
x=3+/-i√3
the numbers are 3+i√3 and 3-i√3
no real numbers tho
x+y=6
xy=12
x+y=6
y=6-x
sub back
xy=12
x(6-x)=12
6x-x^2=12
x^2-6x=-12
x^2-6x+12=0
quadratic formula
for
ax²+bx+c=0
for
x²-6x+12=0
a=1
b=-6
c=12
and remember that √-1=i
x=3+/-i√3
the numbers are 3+i√3 and 3-i√3
no real numbers tho