am i correct?

Which of the following shows the correct order for -1 2/5, (-1)^2, -1.4 and (1/2)2?

(-1)^2

Question

am i correct?

Which of the following shows the correct order for -1 2/5, (-1)^2, -1.4 and (1/2)2?


(-1)^2 < -1.4 < -1 < (1/2)^2
-1.4 < -1 2/5 < (1/2)^2 < (-1)^2 <<
-1 2/5 < -1.4 < (1/2)^2 < (-1)^2

anonymous · Answer

No option C is correct....

anonymous · Answer

becouse -12/5 ~ -2.4 < -1.4  and so on......

anonymous · Answer

Is it clear.... do you want full explanation....  @ttop0816

ttop0816 · Answer

@chetan552  its clear! thank you (:

anonymous · Answer

You are always welcome....@ttop0816

ttop0816 · Answer

@kc_kennylau do you mind checking if my answer choices are correct?? Which of the following cosine functions has a period of 3 π ? y = 3cosx y = cos3x << y = cosx y = cosx The period of y = sin x/4 is _____. 1/4 π <<< 1/2 π 2π 8π https://media.glynlyon.com/g_trg_2013/2/graph_secx_2.gif y = csc y = sec x/2 << y = csc2x y = sec2x

ttop0816 · Answer

@tester97  mind helping out also? (:

kc_kennylau · Answer

1. nope :D

kc_kennylau · Answer

2. nope :D

ttop0816 · Answer

);

kc_kennylau · Answer

3. nope :D

ttop0816 · Answer

@kc_kennylau  oh! then would the first question be y = cos2/3x??

kc_kennylau · Answer

1. yes :D

ttop0816 · Answer

the second question would be 8pi??

kc_kennylau · Answer

2. yes :D

ttop0816 · Answer

what about the third question?? i dont get ):

kc_kennylau · Answer

Look at the graphs of each trigonometric functions first: http://img.sparknotes.com/figures/A/ad79275cb59e569b790cb945a4ffc553/triggraphs.gif

kc_kennylau · Answer

Which does the given graph look like?

ttop0816 · Answer

its looks like a sec graph?

kc_kennylau · Answer

omg you're correct i'm so sorry :/