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How to sketch a cubic function

Determine intersections with the x and y axis, intersections at x axis occur when y=0 and intersections with the y axis occur when x=0.2) Differentiate function to find stationary points (by setting the diff...
AP
Answered by Anya P. • Maths tutor
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In to which artery does blood normally flow from the left ventricle?

The aorta.
JT
Answered by Jake T. • Biology tutor
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How does the imposition of a tariff on the market for cigarettes in Italy affect its consumers and producers?

Suppose the Italian government wants to curb consumption of international cigarettes, such as Marlboro, that are imported from countries like the United States. They may implement a protectionist measure, su...
FK
Answered by Feo K. • Economics tutor
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Explain what an external style sheet (CSS document) is for in a HTML document and write a line of HTML code to import one

Information about how the browser should render HTML elements (such as font styles, sizes and colours) can be specified using CSS in an external document, rather than within the HTML tags. This means the HTM...
TB
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Given the two curves y1 and y2, verify the two curves intersect at (-5,0) and (2,0)

y 1 = -3x 2 - 9x + 30 , y 2 = x 2 + 3x - 10Equate two curves ( y 1 = y 2 )Obtain following simplified quadratic: x 2 + 3x + 10 = 0Factorise to obtain ( x + 5 ) ( x - 2 ) = 0 and correct x values x = -5 , x =...
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Answered by James P. • Maths tutor
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