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FromTheMoon [43]
3 years ago
10

Two different functions are represented.

Mathematics
2 answers:
Crank3 years ago
7 0

Answer:

Neither function A nor function B has an x-intercept.

Step-by-step explanation:

Function A has a y-intercept at (0, 5).

Function B is defined for negative numbers as well as positive numbers, but not for x=0.

These observations eliminate all answer choices but the first one.

ziro4ka [17]3 years ago
5 0

Answer:

The answer is A.

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I think I know this much so far for A (but I could be wrong):
Eduardwww [97]
Part A. You have the correct first and second derivative.

---------------------------------------------------------------------

Part B. You'll need to be more specific. What I would do is show how the quantity (-2x+1)^4 is always nonnegative. This is because x^4 = (x^2)^2 is always nonnegative. So (-2x+1)^4 >= 0. The coefficient -10a is either positive or negative depending on the value of 'a'. If a > 0, then -10a is negative. Making h ' (x) negative. So in this case, h(x) is monotonically decreasing always. On the flip side, if a < 0, then h ' (x) is monotonically increasing as h ' (x) is positive.

-------------------------------------------------------------

Part C. What this is saying is basically "if we change 'a' and/or 'b', then the extrema will NOT change". So is that the case? Let's find out

To find the relative extrema, aka local extrema, we plug in h ' (x) = 0
h  ' (x) = -10a(-2x+1)^4
0 = -10a(-2x+1)^4
so either
-10a = 0 or (-2x+1)^4 = 0
The first part is all we care about. Solving for 'a' gets us a = 0. 
But there's a problem. It's clearly stated that 'a' is nonzero. So in any other case, the value of 'a' doesn't lead to altering the path in terms of finding the extrema. We'll focus on solving (-2x+1)^4 = 0 for x. Also, the parameter b is nowhere to be found in h ' (x) so that's out as well. 
6 0
3 years ago
7.2x14.3 what is that?
Galina-37 [17]

Answer:

102.96

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
A total of $98,000 is to be​ invested, some in bonds and some in certificates of deposit​ (CDs). If the amount invested in bonds
mamaluj [8]
B= 2000 + CD
98000 = B + CD
substitute b in
98000 = 2000 + CD + CD
add variables
98000 = 2000 + 2CD
subtract 2000 from each side
96000 = 2CD
divide each side by 2
48000 = CD
7 0
3 years ago
Look at this I really need help with this
Anettt [7]

y = 7500 {(.97)}^{0}  \\  = 7500(1) \\  = 7500
D
6 0
3 years ago
Which expression is equivalent to (15aºb²c34) (3a166-29cº) for all values of a, b, and
hodyreva [135]

The answer is 45a16c34b27

6 0
2 years ago
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