Bonjour pouvez-vous m’aider s’il vous plaît,
1-Harry chooses a number, then multiplies it by 5 and adds 7 to the result
Check to see if harry chooses 4 as starting number, then the final number is 27.
2-if we call x the starting number, write the formula of a function f which gives the final number in function of x. Is this an affine fonction?
3-which starting number must harry chooses if he wants the final number to be
Nineteen?
1-Harry chooses a number, then multiplies it by 5 and adds 7 to the result
Check to see if harry chooses 4 as starting number, then the final number is 27.
2-if we call x the starting number, write the formula of a function f which gives the final number in function of x. Is this an affine fonction?
3-which starting number must harry chooses if he wants the final number to be
Nineteen?
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Réponse :
Bonjour,
Explications étape par étape
1-Harry chooses a number, then multiplies it by 5 and adds 7 to the result
Check to see if harry chooses 4 as starting number, then the final number is 27.
4 × 5 + 7 = 27
2-if we call x the starting number, write the formula of a function f which gives the final number in function of x. Is this an affine fonction?
f(x) = 5x + 7
This is an affine function because the function is written as y = ax + b
3-which starting number must harry chooses if he wants the final number to be
Nineteen?
5x + 7 = 19
5x = 19 - 7
X = 12/5
X = 2.4
Harry must choose 2.4 as starting number....