Given 7x2 + 3y2 - 42x + 6y - 39 < 0, which graph represents the inequality?

B

Step-by-step explanation:

cause it is

B

Step-by-step explanation:

Calculated using Desmos calculator

Edg 2020

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answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.