Functions questions | form three Basic Mathematics

(3525) Question Category: Mathematical Calculation

Sketch the graph of the function :

f(x)=-1+|x|

and find:
(i) the domain,
(ii) the range, of  f(x).

Answer / Solution

UNSOLVED

(3526) Question Category: Mathematical Calculation

Given that g(x)=5+frac{x}{2}

find the value of

  1. g^{-1}(6)
  2. g^{-1}(0)
  3. g^{-1}(-1)
  4. g^{-1}(a)

Answer / Solution

UNSOLVED

(3527) Question Category: Mathematical Calculation

  1. Find  g-1(x) and hence evaluate g-1(18) given that g(x)=2x+2.
  2. Use the remainder theorem to find the remainder when  f(x)=x3+2x2-4x+10 is divided by  3x+6.

Answer / Solution

UNSOLVED

(3528) Question Category: Mathematical Calculation

If f(x)=5x2+17x-12

  1. (i)Evaluate f(10)-f(5)

(ii)Factorize f(x)

  1. Determine the domain and range of f(x).

Answer / Solution

UNSOLVED

(3529) Question Category: Mathematical Calculation

A function is defined by f(x)=x^{2}-2

Find

  1. f^{-1}(x)
  2. f^{-1}(-2)
  3. The domain of f^{-1}(x)

Answer / Solution

UNSOLVED

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