यदि (y=21+3.5x), तो (x=2) से (x=12) तक (y) में कुल वृद्धि कितनी होगी?

If (y=21+3.5x), what is the total increase in (y) from (x=2) to (x=12)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

C. (35)

Step 1

Concept

The change in (x) is (12-2=10). The total increase is \(3.5\times10=35\).

Step 2

Why this answer is correct

The correct answer is C. (35). The change in (x) is (12-2=10). The total increase is \(3.5\times10=35\).

Step 3

Exam Tip

(x) में परिवर्तन (12-2=10) है। कुल वृद्धि \(3.5\times10=35\) है।

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Mathematics Answer, Explanation and Revision Hints

यदि (y=21+3.5x), तो (x=2) से (x=12) तक (y) में कुल वृद्धि कितनी होगी? / If (y=21+3.5x), what is the total increase in (y) from (x=2) to (x=12)?

Correct Answer: C. (35). Explanation: (x) में परिवर्तन (12-2=10) है। कुल वृद्धि \(3.5\times10=35\) है। / The change in (x) is (12-2=10). The total increase is \(3.5\times10=35\).

Which concept should I revise for this Mathematics MCQ?

The change in (x) is (12-2=10). The total increase is \(3.5\times10=35\).

What exam hint can help solve this Mathematics question?

(x) में परिवर्तन (12-2=10) है। कुल वृद्धि \(3.5\times10=35\) है।