A set of ordered pairs in which each X value is paired with exactly one Y value
100
what does log(10) equal?
1
200
Find the third side.
right triangle, the opposite side is 14 the adjacent side is 17, one angle is 45 degrees.
17^2 +14^2=C^2
Hypotenuse= 22.02
200
what is the mean?
10 12 15 17 22
15.2
200
Jimmy takes five naps per day, is this statement linear or quadratic?
linear
200
The set of all input values of a function is known as what?
the domain
200
convert 3^5=243 to log form.
log(3)^243=5
300
what is the third side?
One angle is 70 degrees, one angle to the right is 33, the side opposite of the 33 degree angle equals 7, and the side opposite of the 70 degree angle is 23.
X= 38.75
300
Lebron James has a 72% chance of making a free throw, what is the probability he makes exactly 6 out of 8 free throws?
.31
300
Steven shoots a rocket from the ground, is this statement linear or quadratic?
quadratic
300
what is the variable that represents the output value of a function?
The dependent variable
300
solve for X
log(x)^117649=6
X=7
400
find side BC.
Triangle ABC, angle A is 91, side AC is 17 and side BA is 28.
BC= 33
400
what is the probability that you roll dice and you get a 1 and a 4?
1 out of 36
400
in a set of data the mean is 35 and the mode is 30, if 15 is added to each observation, what is the new mean and mode?
mean=50
mode=45
400
Is this relation a function? why or why not?
(-2,-2) (2,-1) (3,0) (5,3) (5,4)
No, because (5,3) and (5,4) have the same input but different output
400
expand the log
log- X^5/Y^4
5log(x)-4log(y)
500
two ships are sailing from helifx. The Nina is sailing due east and the Pinta is sailing 43 degrees south of the Nina. after an hour the Nina has traveled 115 km and the Pinta has traveled 98 km. How far apart are the two ships?
79.65 km apart
500
a coin is tossed 10 times what is the probability it lands on heads at most 6 times?
.83
500
a set of data has a mean of 5 and a SD of 2, if 1000 is added to the set of data, what happens to the mean and SD?
They increase
500
let f(x)=5*2^x. Evaluate f(4). Does f(3+4) = f(3) + f(4)?
f(4)= 5*2^4=80
f(3+4)= f(7)=5*2^7=640
f(3) + f(4)= (5*2^3) + (5*2^4)=40+80=120
so, they are not equal.
500
a solutions PH is given by the function p(t)= -log(t) where t is the hydrogen ion concentration, a sample of coffee has a PH of 7.0 what is the appropriate hydrogen ion concentration of the sample?