The company discovered that it costs $37 to produce 3 calculators, $213 to produce 7, $658 to produce 12. Using the quadratic function, find the cost of producing 8 calculators.

Question

radar · Answer

Review the widget problem that amistre64 worked out for you.  This is another one just like it except their producing calculators.

anonymous · Answer

The quadratic funtion is f(x)=ax^2+bx+c , 
f(3)=9a+3b+c=37
f(7)=49a+7b+c=213
f(12)=144a+12b+c=658 , 
after the solving triple equation , a=5 b=-6 c=10 , 
so 64*5-6*8+10=272

anonymous · Answer

After 1 second, the missile is 224 feet in the air; after 2 seconds, it is 416 feet in the air. using the quadratic function, find the height in feet, of the missile after 10 seconds in the air.
missile was launched from the ground

anonymous · Answer

Use this , $$V0*t-1/2*g*t ^{2}$$ have double equation with plugging to t with 1 and 2
solve the equation and find initial velocity and gravity so put these to equation.

anonymous · Answer

yeah i have no idea.