When analyzing the following model, which of the following is true:

H $=5-7$A

Question $2$Select one:

a$.$

When A increases by $1,$ H increases by $5.$

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b$.$

When H increases by $1,$ A increases by $7.$

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c$.$

When H is zero, A is $5.$

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d$.$

None of the other options are true.

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e$.$

When A is zero, H is $7.$