Simplify the following expression. (1/7x+3/8) + (2/9x-1/8)
1 answer:
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The objective function of a linear programming problem is a linear function.
A valid objective function is (b) Min 4x+3y+(2/3)z
The form of the objective function of a linear programming problem is:
The above function means that:
- The objective function cannot contain the product of the variables
- The objective function cannot contain the quotient of the variables
The above highlights mean that:
- The objective function can contain the sum of the variables
- The objective function can contain the difference of the variables
Hence, the valid objective function is (b) Min 4x+3y+(2/3)z
Read more about objective functions at:
Answer: Option 'D' is correct.
Step-by-step explanation:
Since we have given that
Rate at which Alina swim = 2.5 miles per hour
Rate at which Talia swim = 1.8 meters per second
First we need to change meters per second into miles per hour
As we have given that
and
So, to change into miles per hours, we'll apply this,
So,
Difference between their rates will be given by
Hence, Talia swims about 1.5 miles per hour faster than Alina.
So, Option 'D' is correct.