3 years ago

Solve for p. N=P-K/J

Mathematics

1 answer:

Alexeev081 [22]3 years ago

7 0

$N = P- \frac{K}{J}$

$P = N+ \frac{K}{J}$

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Step-by-step explanation:

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3 years ago

Let f(x)=7x+4 find each value <br> A. f(x) when x = -8 <br> B. f(3) <br> C. x when f(x) = 67

maks197457 [2]

Answer:

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Step-by-step explanation:

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Read 2 more answers

Use the parabola tool to graph the quadratic function f(x)=−5x2−2.

alexira [117]

$\text{Consider the quadratic function}\\
\\
f(x)=-5x^2-2\\
\\
\text{For a quadratic equation, }f(x)=ax^2+bx+c, \text{ we know that the x-coordinate}\\
\text{of the vertex (h,k) is given by}\\
\\
h=\frac{-b}{2a}\\
\\
\text{on comparing the given equation with standard equation, we have}$

$a=-5, b=0, c=-2\\
\\
\text{so the x-coordinate of the vertex is }\\
\\
h=-\frac{b}{2a}=-\frac{0}{2(-5)}=0\\
\\
\text{so plug this vlaue of the h in the given function to get the y-coordinate}\\
\text{of the vertex. so}\\
\\
f(x)=-5(0)^2-2=0-2=-2\\
\\
\text{hence the vertex of the parabola is: }(h,k)=(0,\ -2)\\
\\
\text{A second point on the graph can be found by putting x=1, so }\\
\\
f(1)=-5(1)^2-2=-5-2=-7\\
\\
\text{so one other point on the parabola is }(1,-7)$

The grpah of the quadratic function is shown below:

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Answer is 21.4 %

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3 years ago