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  3. 1.the domain of r(t)=?sin(t),cos(t),ln(t+1)? is se

1.The domain of r(t)=?sin(t),cos(t),ln(t+1)? is Select one: a. (??,?1] b. (?,2?) c. (??,?2] d. (??,2?) e. ? f. (?1,?) 2. The limt??r(t) where...

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Verified Solution

Question

Basic Math

1.The domain of r(t)=?sin(t),cos(t),ln(t+1)? is

Select one:

a. (??,?1]
b. (?,2?)

c. (??,?2]
d. (??,2?)
e. ?

f. (?1,?)

2. The limt??r(t) where r(t)=?t2,et,cos(t)? is

Select one:

a. ??2,e?,?1?

b. undefined

c. ??2,e?,1?
d. ?2+e?
e. ??2,e?,0?

3.Let v(t)=?2t,4t,t2?. Then the length of v?(t) is

Select one:

a. 20????+2t

b. 20+4t2

c. 20+2t????????

d. 20+4t2?????????

e. 6+2t???????
f. 1

4. The curvature of a circle centred at the origin with radius1/3 is

Select one:

a. 1

b. 1/3

c. undefined

d. 3

e. 10

Answer & Explanation Solved by verified expert
3.7 Ratings (648 Votes)
1sint is defined for all real values of tcost is defined for all real values of    See Answer
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