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Home Q & A Board Science-Related Homework Help Mathematics
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$amanthaP24 $amanthaP24
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Posts: 10
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10 years ago
If R(x) is a rational function of the form R x = P(x)/Q(x) , then what are the restrictions on P(x) and Q(x)?
a. There are no restrictions on P(x) and Q(x)
b. The only restrictions are that P(x) and Q(x) must both be polynomials
c. Both P(x) and Q(x) must be non-zero polynomials
d. P(x) must be a polynomial, Q(x) must be a non-zero polynomial

-1^4 =
a. 1
b. -2
c. -1
d. None of the above
(wouldn't it be 1?)

How many terms are there in the following expression: 3x^3 ? 64x^2 + 12x + (4 -2)
a. 5
b. 4
c. 3
d. None

Which of the following is an exponential function?
a. f(x) = x^-21
b. P(x) = x^-x
c. g(q) = q^-2
d. R(x)=P(x)/Q(x)

If f(x) = 14^2x, then the value of the base is:
a. 2
b. 2x
c. 14
d. 196

cos?/tan?=
a. cot?
b. sin?
c. csc? - sin?
d. 1? sin^2 ?

How many ?petals? does this function have: r = 5 sin(4?)?
a. 4
b. 10
c. 8
d. 5

If v = 5i - 12j, then | v | =
a. 5
b. -12
c. 7
d. 13

I^ -1 =
a. 0
b. I
c. 1
d. Cant find inverse
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2 Replies
Replies
wrote...
#1
10 years ago
the first one is d.
the second one is a.
the third one is b.
the second to last is c.
the last one is 1/l, probably d.

thats all i can help with.
Answer accepted by topic starter
mhe34mhe34
wrote...
#2
Posts: 3
Rep: 0 0
10 years ago
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