Answer:
Step-by-step explanation:
<u>Coordinates of points</u>
i) lies on x- axis with abscissa - 3
- If it lies on x- axis, it has zero y-coordinate
- It is (-3, 0)
ii) lies on y-axis with ordinate 5
- It lies on y-axis, it has zero x-coordinate
- It is (0, 5)
Answer: I got -2
I plugged -6 in for y and then simplified. -6 x -6 = 36. 7 x -6 = -42. So 36 - 42 = -6. -6 + 4 = -2
Answer: 707 km/h
Step-by-step explanation:
let c = speed of current
16.5 + c = speed of sailboat downstream
16.5 - c = speed of sailboat upstream
distance = travel time * speed
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2(16.5 + c) = 5(16.5 - c)
33 + 2c = 82.5 - 5c
7c = 49.5
c = 7.07 km/h
Answer:
f(-2)=4(-2)+1= 7
Step-by-step explanation:
Answer:
A choice.
Step-by-step explanation:
Domain starts at x = - 7 and ends at x = 4. The domain from the graph is also continuous. Therefore, we can rule out C and D.
B is not correct as domain starts from x = -7 and not x = - 4.