Question

? Which one of these is
a cloud computing pricing
model?​

Answer 1

Cloud Computing pricing models have broadly classified on the basis of usage as: subscription based, pay-per-use and hybrid pricing (combination of subscription based + pay-per-use pricing) [20]. Services provided by the single provider may vary in the type of service and also vary in pricing schemes offered.

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Answer 2

Answer:

For a function to have an inverse, each element y ∈ Y must correspond to no more than one x ∈ X; a function f with this property is called one-to-one or an injection. If f −1 is to be a function on Y, then each element y ∈ Y must correspond to some x ∈ X.