If f(x) = x² - x + 1, then f (x + 1) is _______.

(a)

x²

(b)

x

(c)

1

(d)

x² + x + 1

If \(f\left( x \right) =\begin{cases} { x }^{ 2 }-4x\quad ifx\ge 2 \\ x+2\quad ifx<2 \end{cases}\), then f(5) is _______.

(a)

-1

(b)

2

(c)

5

(d)

7

If \(f\left( x \right) =\begin{cases} { x }^{ 2 }-4x\quad ifx\ge 2 \\ x+2\quad ifx<2 \end{cases}\) then f(0) is _______.

(a)

2

(b)

5

(c)

-1

(d)

0

If f(x) = \(\frac{1-x}{1+x}\) then f(-x) is equal to _______.

(a)

-f(x)

(b)

\(\frac{1}{f(x)}\)

(c)

\(-\frac{1}{f(x)}\)

(d)

f(x)

The graph of the line y = 3 is _______.

(a)

Parallel to x-axis

(b)

Parallel to y-axis

(c)

Passing through the origin

(d)

Perpendicular to x-axis

The graph of y = 2x² is passing through _______.

(a)

(0,0)

(b)

(2,1)

(c)

(2,0)

(d)

(0,2)

The graph of y = e^x intersect the y-axis at _______.

(a)

(0,0)

(b)

(1,0)

(c)

(0,1)

(d)

(1,1)

The minimum value of the function f(x) = |x| is _______.

(a)

0

(b)

-1

(c)

+1

(d)

\(-\infty \)

Which one of the following functions has the property f (x) = \(f\left( \frac { 1 }{ x } \right) \), provided \(x \neq 0\)

(a)

\(f\left( x \right) =\frac { { x }^{ 2 }-1 }{ x } \)

(b)

\(f\left( x \right) =\frac { 1-{ x }^{ 2 } }{ x } \)

(c)

f(x) = x

(d)

\(f\left( x \right) =\frac { { x }^{ 2 }+1 }{ x } \)

If f(x) = 2^x and get g(x) = \(\frac{1}{2^x}\) then (fg)(x) is ________.

(a)

1

(b)

0

(c)

4^x

(d)

\(\frac{1}{4^x}\)