3 years ago

(x + 3)(x + 7) ≡ x2 + ax + 21

Mathematics

1 answer:

Over [174]3 years ago

4 0

The answer is c. Hope this helps

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Use a table of values to estimate the value of the limit. Confirm your result graphically by graphing the function with a graphi

il63 [147K]

Hello,

$\lim_{x \to 0}\dfrac{ \sqrt{x+25}-5}{x}\\\\$

$=\lim_{x \to 0}\dfrac{(\sqrt{x+25}-5)*(\sqrt{x+25}+5)}{x*(\sqrt{x+25}+5)}\\\\$

$=\lim_{x \to 0}\dfrac{x+25-25)}{x*(\sqrt{x+25}+5)}\\\\$

$=\dfrac{1}{10}$

4 0

2 years ago

Find The Area Of The Shape Shown Below

Vesnalui [34]

Answer:

32

Step-by-step explanation:

I proceeded to divide the shape up into 2 triangle and 1 square. The added sum of the 2 divided triangles is 16 and the square is 16. Add those to to get 32.

The following shape is a trapezoid

area formula:

A= (4)(12+4)

A= (4)(16)

A= (64)

A=32

Also, is that Khan Academy?

8 0

2 years ago

Read 2 more answers

which of the following correctly describes the end behavior of the polynomial function, f(x)=2x^4-3x^2+2x

inna [77]