Question

can someone help me with this problem...its a word problem

Answer 1

post it

Answer 2

use the c(x) in hundreds of dollars c(x)=0.1x^2-0.5x+2.109 how many bikes should be built to minimize the average cost

Answer 3

im working them halfway right but seem to get stuck when I have to multiply

Answer 4

do i use -b/2a?

Answer 5

Yes, you can use -b/2a since its a quadratic.

Answer 6

c' = 0.2x - 0.5 = 0
x = .5/.2 = 2.5

Answer 7

then do i multiply that by 100?

Answer 8

how much does one bike cost?

Answer 9

is that given?

Answer 10

it doesnt say it just gives me that formula

Answer 11

actually no that's the answer, u're right, just multiply by 100

Answer 12

ok i cant get the answer

Answer 13

2500

Answer 14

see i got 1500

Answer 15

but thats not right

Answer 16

hmm okay, hold on.. starting over..

Answer 17

250, not 2500 lol

Answer 18

then i used to many zeros when multiplying