Functions And Limits Chapter 1 Math 12th Class MCQ Test Preparation Punjab

Total Questions: 35

Total Marks: 35

Time: 35 Mins

Question # 2

When we graph y=1/x we see that it gets closer and closer to zero but does not ever quite get there. We then say ?

( a , a + ϵ )
( a , a − ϵ )
left neighborhood of x 0
As x approaches infinity, then 1/x approaches 0

Question # 3

Determine if the following function is continuous at x = 1 ?

function f is NOT continuous at x=1
function f is continuous at x=1

Question # 5

See the image and find the set of range.

Question # 6

A wholesale t -shirt manufacturer charges the following prices for t -shirt orders: $ 20 per item for orders up to 20 . $ 15 per item for orders between 21 and 40 shirts. $ 10 per item for orders between 41 and 80 shirts. $ 5 per item for orders over 80 shirts. You've ordered 40 shirts and must pay shipping fees of $ 10 . How much is your total order?

Question # 8

Check whether the limit exist for the given function f ( x ) = ?

Question # 21

A = { − 3 , − 2 , − 1 , 0 , 1 , 2 , 3 } , f is a function from A to the set of whole numbers as defined in the following table given in the figure. What is the domain of f?