Functions Test ...

Find the domain of the definition of the function y = lxl

If f(x) is an even function, then the graph y = f(x) will be symmetrical about

The function f(x) = x² + 4x + 4 is

Find the minimum value of the function fix) = log₂ (x² - 2x + 5).

If f(x) is a polynomial satisfying f(x) f(1/x) = f(x) + f(1/x) and f(3) = 28, then f(4) = ?

Which of the following is an even function?

For what value of x, x² + 10x + 11 will give the minimum value?

Find the maximum value of the function 1/(x² – 3x + 2).

Read the instructions below and solve.
f(x) = f(x – 2) – f(x – 1), x is a natural number
f(1) = 0, f(2) = 1

The value of f(8) is

Read the instructions below and solve.
f(x) = f(x – 2) – f(x – 1), x is a natural number
f(1) = 0, f(2) = 1

What will be the domain of the definition of the function f(x) = 8–^xC _5–x for positive values of x?

Ajesh saves Rs 50,000 every year and deposits the money in a bank at compound interest of 10%(compunded annually).What would be his total saving at the end of the 5th year?

Define the following functions:
(a) (a M b) = a – b (b) (a D b) = a + b
(c) (a H b) = (ab) (d) (a P b) = a/b

Q.

Which of the following functions will represent a² – b²?

Define the following functions:
(a) (a M b) = a – b (b) (a D b) = a + b
(c) (a H b) = (ab) (d) (a P b) = a/b

Q.

What is the value of (3M4H2D4P8M2)?

Define the following functions:
(a) (a M b) = a – b (b) (a D b) = a + b
(c) (a H b) = (ab) (d) (a P b) = a/b

Q.

Which of the four functions defined has the minimum value?

If 0 < a <1 and 0 < b < 1 and if a < b, which of the following expressions will have the highestvalue?