Inverse Functions
The inverse function of f(x) = 2x - 3?
What is f-1(x) = (x+3)/2?
The logarithmic form of 52 = 25
What is log525 = 2?
An angle whose vertex is at the center of the circle.
What is a central angle?
The cos 60°
What is 1/2?
Convert 510o to Radians
What is 17π /6?
If the equation of f(x) goes through (1, 4) and (4, 6), the points f-1(x) go through.
What are (4,1) and (6,4)?
The exponential form log232 = 5
What is 25 = 32?
The center of the circle is in the equation
(x-3)2+(y-2)2=16
What is (3,2)?
The tan 45°
What is 1?
The arc length in a circle whose radius is 5 and θ = 90 degrees (Round to the nearest hundredth)
L = (θ/360)(2πr)
What is 7.85?
f-1(2) given the following:
f(1) = -3
f(2) = -2
f(-1) = 2
f(3) = -1
What is -1
Evaluate log381
What is 4?
The standard equation of the circle whose center is (0,-3) and radius is 3
What is x2+(y+3)2=9?
Given triangle ABC,<B=90 degrees, AB=14, AC=50, BC=48. The sin C
What is 14/50 or 7/25?
At a local high school, GPA's are normally distributed with a mean of 2.9 and standard deviation of 0.6. What percentage of students at the high school have a GPA between 2.3 and 3.5?
What is 68%?
The inverse of f(x) = (1/2)Square root(x - 2) + 5
What is f-1(x) = (2x - 10)2 + 2
Evaluate log2(x + 5) = 3
What is 3?
The equation of the circle whose diameter has length 12. The center is at (-5, 2).
What is (x + 5)2 + (y - 2)2 = 36?
The ratio of secant of x
What is 1/cos or hyp/adj
In a population, if μ=125 and σ=25, how common are values in the 100 – 175 range?
What is 81.5%
A function has the following coordinate points:
(2, 3) (4, 3) (6, 7) (8, 12)
Does this function have an inverse?
What is no
If the coordinates switch, the x-coordinates repeat. Not a function
Write as a single log: log 12 + 2.log x
What is log (12x2)?
The center and radius of the circle whose general equation is x2+y2-10x+6y-47=0
What is center (5,-3) and radius of 9?
An airplane takes off 200 yards in front of a 60 foot building. At what angle of elevation must the plane take off in order to avoid crashing into the building?
Round to the nearest hundredth
What 5.71 degrees?
What kind of study is this: A Math III teacher gives out a study guide before the test. The teacher lists the students who completed their study guide and compares their scores to the remaining students’ scores.
What is an observational study?