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Naddika [18.5K]
2 years ago
7

Which statement BEST describes why the exponential function exceeds the linear function?

Mathematics
1 answer:
Mkey [24]2 years ago
4 0

Answer:

A

Step-by-step explanation:

A is correct.  The graph of the basic exponential function neither touches nor crosses the x-axis, whereas a linear function does cross over and can be negative for some inputs.

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24) sin x = 1/3<br> Find cos x.
liq [111]

Answer:

\frac{2\sqrt{2} }{3}

Step-by-step explanation:

The sine of an angle is defined as the ratio between the opposite side and the hypotenuse of a given right-angled triangle;

sin x = ( opposite / hypotenuse)

The opposite side to the angle x is thus 1 unit while the hypotenuse is 3 units. We need to determine the adjacent side to the angle x. We use the Pythagoras theorem since we are dealing with right-angled triangle;

The adjacent side would be;

\sqrt{9-1}=\sqrt{8}=2\sqrt{2}

The cosine of an angle is given as;

cos x = (adjacent side / hypotenuse)

Therefore, the cos x would be;

\frac{2\sqrt{2} }{3}

6 0
2 years ago
Read 2 more answers
A is a 4x4 matrix and A^2 + 4A - 5I = 0. If det(A+2I)&gt;0, enter det(A+2I)
maw [93]
\mathbf A^2+4\mathbf A-5\mathbf I=0
\implies\mathbf A^2+4\mathbf A+4\mathbf I=(\mathbf A+2\mathbf I)^2=9\mathbf I
\implies\det\bigg((\mathbf A+2\mathbf I)^2\bigg)=\det(9\mathbf I)
\implies\det(\mathbf A+2\mathbf I)^2=9^4\det\mathbf I
\implies\det(\mathbf A+2\mathbf I)=\pm\sqrt{9^4}
\implies\det(\mathbf A+2\mathbf I)=9^2=81

where we take the positive root because we're told that the determinant is positive.
5 0
3 years ago
Fine as has a Z-score of 2.23 on his SAT. How did he do compared to the rest of his students?
tresset_1 [31]
A since they didn’t tell you what the other students have gotten therefore you can’t complete the data
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This level is locked because of this clock. Can you escape before its too late?
Taya2010 [7]

Answer:

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Step-by-step explanation:

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A hexagon is graphed on a coordinate grid and then translated 4 units to the right and 3 units up. If one of the vertices of the
Elena L [17]

Answer:

(13 , 5)

Step-by-step explanation:

(9 + 4 , 2 + 3)  i.e. (13 , 5)

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