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3 years ago

10

Please please help me please I really need help please

2 answers:

Ratling [72]3 years ago

8 0

Answer:

A. 8

Step-by-step explanation:

sqrt{64} is 8 (8*8)

DIA [1.3K]3 years ago

5 0

Answer:

8

Step-by-step explanation:

There are 8 members in each row

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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

Jennifer Drive 265 miles in five hours what is her average rate of speed and miles per hour

iris [78.8K]

Answer:

53mph

Step-by-step explanation:

Divide 265 by 5, there is your answer.

3 0

4 years ago

Read 2 more answers

ASAP!! Please help me. I will not accept nonsense answers, but will mark as BRAINLIEST if you answer is correctly with solutions

VladimirAG [237]

Answer:

A: $f(x)\leq -2$

Step-by-step explanation:

After graphing the equation, the highest point is (-1,-2). Since f(x) is the 2nd number in the coordinates (x, f(x)), the range is $f(x)\leq -2$

3 0

3 years ago

A store is advertising a sale with 15% off all prices in the store. Sales tax is 8%. Which equation will correctly determine the

hoa [83]

I think the answer is c beacause you have to multiply to get the answer

4 0

3 years ago

Stephanie rdes her bike 2 miles to the post office, and then another 50 yards to the train station. How many yards long was her

mestny [16]

There are 1,760 yards in a mile.

Multiply 1,760 by 2 = 3,520

Add 50 to 3,520 = 3,570

Stephanie's trip was 3,570 yards long.

7 0

4 years ago