(A) xy=c
(B) x=y+c
(C) x+y=c
(D) xy=1
Category: Maths
What is the value of ‘a’ if
The tangent line to the graph of f (x) = |x| at x=0,
(A) 0
(B) 1
(C) undefined
(D) does not exist
The equation of directrix of the parabola y2=16x is ?
(A) y+2=0
(B) y-2=0
(C) y+4=0
(D) y–4=0
If the distance between vertex and focus is 3, then the length of latusrectum is ?
(A) 6
(B) 8
(C) 10
(D) 12
Find ?
Which from the following is NOT a function?
(A) xy2 – 2 = 0
(B) x2y – 2 = 0
(C) 2x2 – y = 0
(D) All are functions
What is the vector from (2,–6,4) to (1,2,7) ?
(A) i–8j+3k
(B) i+8j–3k
(C) –i+8j+3k
(D) –i–8j+3k
All values that could be putted into the function for which the function is defined and have real values is called __________ of the function.
(A) domain
(B) range
(C) validity test
(D) reliability
Evaluate
(A) 1
(B) –1
(C) 2
(D) –2