किस (k) के लिए (y=55+(k-7)x) रेखीय वृद्धि दिखाएगा?
For which (k) will (y=55+(k-7)x) show linear growth?
Explanation opens after your attempt
C. (k>7)
Concept
For linear growth the coefficient of (x) must be positive. From (k-7>0), (k>7).
Why this answer is correct
The correct answer is C. (k>7). For linear growth the coefficient of (x) must be positive. From (k-7>0), (k>7).
Exam Tip
रेखीय वृद्धि के लिए (x) का गुणांक धनात्मक होना चाहिए। (k-7>0) से (k>7) मिलता है।
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