Question 16 of 17
1 answer:
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Answer:
3 days
Step-by-step explanation:
Let the amount of work be x.
Daniel:
10 days = x
1 day = x
Father:
6 days = x
1 day = x
Together:
1 day = x +
x
= x +
x
= x
= x
No. of days = x ÷
x
= x ×
x
=
= 3
Answer:
The last graph
Step-by-step explanation:
We transform functions in the following ways:
- multiplying the function by a number to stretch or shrink it
- multiplying by a negative to flip the orientation of the function
- adding/subtracting a value to the input x to shift it horizontally
- adding/subtracting a value to the output (or outside the function operation) to shift it vertically or horizontally.
Looking at the equation we can see
- Vertically shrunk by 0.5
- Negative leading coefficient to flip the graph's orientation
- Horizontal shift of the vertex of 3 units to the left from (0,-2) to (-3,-2)
- Vertical shift of the vertex of 2 units downward (-3,0) to (-3,-2)
The last graph has vertex (-3,-2) and satisfies the the equation.