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2 years ago

If h (n) = 3n^2- 4, Find h (0)

Mathematics

2 answers:

aleksandr82 [10.1K]2 years ago

8 0

Answer:

Step-by-step explanation:

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Amiraneli [1.4K]2 years ago

3 0

Answer:

$h(0)=-4$

Step-by-step explanation:

To solve for this function when n=0, replace n as 0 and simplify:

$h(0)=3(0)^2-4\\h(0)=3(0)-4\\h(0)=0-4\\h(0)=-4$

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3 years ago

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daser333 [38]

keeping in mind that parallel lines have exactly the same slope, let's check for the slope of the equation above

$2x+y-3=0\implies y=\stackrel{\stackrel{m}{\downarrow }}{-2} x+3 \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}$

so we're really looking for the equation of a line with a slope of -2 and that passes through (1 , -1)

$(\stackrel{x_1}{1}~,~\stackrel{y_1}{-1})\qquad \qquad \stackrel{slope}{m}\implies -2 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{(-1)}=\stackrel{m}{-2}(x-\stackrel{x_1}{1}) \\\\\\ y+1=-2x+2\implies y=-2x+1$

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3 years ago