Functions questions | form three Basic Mathematics

(6459) Question Category: Mathematical Calculation

  1. Calculate the values of f(1) and f(-pi) if f is defined by

f(x)=left{egin{matrix} x+2 & for & x<0 \ 2 & for &0leq xleq2 end{matrix} ight.

  1. Using the information given in part (a), find f-1(-1).

Answer / Solution

UNSOLVED

(6460) Question Category: Mathematical Calculation

The function f is defined by f(x)=left{egin{matrix} -2 &if &x<-1 \ 0 &if &-1 \ x+2 &if &xgeq -1 end{matrix} ight.

  1. Sketch the graph of f.
  2. Use the graph to determine the domain and range of f.

Answer / Solution

UNSOLVED

(6461) Question Category: Mathematical Calculation

The function f is defined as follows:

f(x)=left{egin{matrix} 1 &if &xleq 0 \ x^{2}+1 &if &0<xleq 2 \ 5 &if & xgeq 2 end{matrix} ight.

  1. Sketch the graph of f(x),
  2. Use the graph to determine the domain and range of f(x).

Answer / Solution

UNSOLVED

(6462) Question Category: Mathematical Calculation

If f(x)=x^{2}-4x+3. Find

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

Answer / Solution

UNSOLVED

(6463) Question Category: Mathematical Calculation

Without using a table of values , draw the graph of y=x^{2}-4x+2 and use it to solve the equation x^{2}-4x=5

Answer / Solution

UNSOLVED

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