Let f be a differentiable function such that f(x)=7 , (x>0) and f(1) Then : |
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(a) |
Exists and equals 4 |
(b) |
Does not exist |

(c) |
Exist and equals 0 |
(d) |
Exists and equals |

Let f be a differentiable function such that f(x)=7 , (x>0) and f(1) Then : |
|||

(a) |
Exists and equals 4 |
(b) |
Does not exist |

(c) |
Exist and equals 0 |
(d) |
Exists and equals |

1 Answer - 5876 Votes

3537

f’(x)=7 (x>0)

given f(1)

=7 (this is LDE)

IF ==

y.

y.

f(x)=4x+c.

f

= 4

∴option(a)