3 years ago

Choose the inequality that best represents the solution graphed on the line graph below.

Mathematics

1 answer:

natima [27]3 years ago

3 0

The answer is not in the multiple choice options, but I believe the correct answer is x > -0.2

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Use the definition of the derviative to compute the derivative of f(x)= 1- 7x^2 at the specific point x=2.

GaryK [48]

Answer:

$f'(x) = -28 \ at \ x = 2$

Step-by-step explanation:

$f'(2) = \lim_{h \to 0}\frac{f(2+h)) -f(2)}{h} \\\\f(2+h) = 1 - 7(2+h)^2 = 1 - 7(4 +h^2 +4h) = 1 - 28 - 7h^2 - 28h = - 7h^2 -28h - 27\\\\f(2) = 1 - 7(2^2) = 1 - 28 = -27\\\\f(2+h) - f(2) = -7h^2 - 28h - 27 - (-27) = -7h^2 -28h -27 + 27 = -7h^2 -28h\\\\f'(2) = \lim_{h \to 0}\frac{-7h^2 - 28h}{h} \\\\$

$= \lim_{h \to 0} \frac{h(-7h -28)}{h}\\\\= \lim_{h \to 0} (-7h -28)}\\\\= -7 (0) - 28\\\\= -28$

4 0

3 years ago

(Urgent) Worth 10 points 7.3

Novosadov [1.4K]

Step-by-step explanation:

A straight line adds up to 180°

m+3m=180°

4m=180°

m=45°

3m=45°

angle CBD=3(45)

=135°

8 0

3 years ago

Read 2 more answers

Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

AlexFokin [52]

Answer:

AE = 60 units

Step-by-step explanation:

GE is one third the length of AE so...

GE = 1/3(AE)

20 = 1/3x

3(20) = (1/3x)3/1

60 = x

x = 60

AE = 60 units

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3 years ago

The sum of three consecutive even numbers is 66. What is the smallest of these numbers?

maw [93]

Answer:

Step-by-step explanation:

one way is guess and check method, you draw a table and try out 3 different consecutive even numbers to see which 3 add up to 66

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3 years ago

Help me with math please

pentagon [3]

Answer:

B. 1/6

Step-by-step explanation:

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3 years ago