C and d is indubitably correct
Answer:4000
Step-by-step explanation:40 times 100 is 4000
Answer:
I dont know
Step-by-step explanation:
multiple and simply the equation
Answer:
under the condition of f(x)=x composite function is an identity one
The whole number of minutes that Gianna complete each week as a function of x and y:

Since the above number is greater than 450 minutes, we get the inequality:

Also, "she can complete at most 10 workouts this week" so we deduce the inequality:

Therefore, the system of inequalities is the following:


The above system has many solutions, for example :