4
3
2
1
Correct answer is C
x(4 - x)
4x - x2
dydx = 4 - 2x
dydx = 0
2x = 4
x = 42
= 2
The minimum value of y in the equation y = x2 - 6x + 8 is...
If 43x = 16x+1, find the value of x ...
Find the range of values of m which satisfy (m - 3)(m - 4) < 0...
Using the cumulative frequency curve, estimate the median of the data represented on the graph. ...
If 12e=X7, where e = 12, find X....
The diagonal of a rhombus are 12cm and 5cm. calculate its perimeter ...
Given that n(p) = 19, m(P ∪ Q) = 38 and n(P ∩ Q) = 7, Find n(C) ...
The chord ST of a circle is equal to the radius r of the circle. Find the length of arc ST ...
The area of a square field is 110.25m2. Find the cost of fencing it round at N75.00 per metre...