If f(x) = 2x for o≤ x≤8. Find its range ?
o≤ f(x) ≤ 8
o≤ f(x) ≤ 12
o≤ f(x) ≤ 16
1≤ f(x) ≤ 16
If g(x)= x3 and h(x) = 4x+1, the value of 3g(-1) -4h (-1) is.
9
-9
7
-7
Of the following functions which one is even?
f(x)= x7
f(x)= x4+3x2
f(x)= x(x2-1)
f(x)= 2x2(x+x3)
The value of |4-9| is.
5
-5
13
-13
Given f(x) = 3x2+2, then the value of f(±1) is.
4
6
Given f(x)= 2x+5, then the value of f(3) is.
11
12
Find the point of intersection for the line y= x+1 and the curve y = x2 - 3x + 4 is?
(1,3) (2,4)
(3,1) (4,2)
(1,2) (3,4)
(1,2) (4,3)
Find the point of intersection of the line x=3 and the curve y= x2+4x-7?
1,14
14,1
3,1
3,14
Given that f(x)= ax+b and that f(2) = 7 and f(3) = 12. Find a and b.
a=3, b=5
a=5, b=3
a=-5, b=3
a=5, b=-3
Given f(x)= xn and f(3)= 81, the value of n is.
3
27