OPT. Mathematics Students

1. 1. For what value of m in y=f(x)= mx+c makes it a constant function?

• 0

• 1

• -1

• 2

2. 2. What type of algebraic function is f(x)=ax^2+bx+c?

• Cubic

• Quadratic

• Trigonometric

• Linear

3. 3. The minimum value of y = sinx is .......

• 1

• 0

• -1

• -2

4. 4. If f : A→ B and g : B→C be the two functions, then what will denote the composite function A→C ?

• Single Function

• Composion Function

• Composite Function

• Double Function

5. 5. If f(x) = a and g(x) = b then what is the value of g^bf(x)?

• b

• a

• ab

• bb

6. 6. If f(x) = x+a and g(x) = x then, what is the value of fog(x)?

• x

• a

• x+a

• x²

7. 7. If f = {(m, n), (a, b)} and g = {(n, a), (b, c)} then what is the value of gof(x)?

• a, c

• m, n

• a,b

• a,n

8. 8. If f(x) = 2x+3 and g(x) = 3x-1, find fog(1).

• 8

• 9

• 6

• 7

9. 9. Under what condition, the inverse function of a function is possible?

• one to one function

• Inverse function

• Composite function

• one to one onto function

10. If f = {(a,b), (x,y)} then the inverse function of f is ................................................................