At what value of X does the function y = -3 - 2x + X2 att...
At what value of X does the function y = -3 - 2x + X2 attain a minimum value?
-1
14
4
1
Correct answer is D
Given that y = -3 - 2x + X2
then, dydx = -2 + 2x
At maximum value, dydx = O
therefore, -2 + 2x
2x = 2
x = 2/2 = 1
A regular polygon has 9 sides. What is the size of one of its exterior angles?...
Convert 101101two to a number in base ten...
What is the probability that an integer x (1≤x≤25) chosen at random is divisible by bo...
If the hypotenuse of a right-angled isosceles triangle is 2cm. What is the area of the triangle...
Simplify 3√45−12√5+16√20, leaving your answer in surd form....
If x is a positive real number, find the range of values for which 13x + \(\frac{1}{2}\...
(Numbers indicate the lengths of the sides of the triangles) If the area of △ PQR i...