Home
Class 11
MATHS
If f(x)=3x+b and f(1)=8 then: b=...

If `f(x)=3x+b and f(1)=8` then: `b=`

A

3

B

5

C

4

D

none of these.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SETS, RELATIONS AND FUNCTIONS

    MARVEL PUBLICATION|Exercise MCQs|139 Videos

  • SEQUENCES AND SERIES

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|81 Videos

  • STRAIGHT LINE

    MARVEL PUBLICATION|Exercise MISCELLANEOUS MCQS|160 Videos

Similar Questions

Explore conceptually related problems

If f(x)=ax+b, where f(0)=3 and f(1)=5, then: (a,b)-=

The function f:R rarr R satisfies f(x^(2))*f''(x)=f'(x)*f'(x^(2)) for all real x Given that f(1)=1 and f'''(1)=8, then the value of f'(1)+f''(1) is 2 b.4c.6d.8

If f(x)=ax+b where a and b are integers, f(-1)=5 and f(3)=3 then a and b are equal to :

If f(x)=ax+b , where a and b are integers, f(-1)=-5 and f(3)=3 then a and b are equal to

If f(x) = ax + b, where a and b are integers, f(-1) = -5 and f(3) = 3, then a and b are respectively

If f(x)=ax+b where a,b are integers, f(-1)=-5 and f(3)=3 ,then 3a-2b is equal to

If f'(c)=(f (b)-f(a))/(b-a) , where f(x) =e^(x), a=0 and b=1 , then: c = ….