Solve the problem.The position of a body moving on a coordinate line is given by 
with s in meters and t in seconds. When, if ever, during the interval 
does the body change direction?
A. At t = 6 sec
B. At t = 3 sec
C. At t = 12 sec
D. No change in direction
Answer: B
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Decide whether or not the ordered pair is a solution of the equation.5x + y = 24; (4,4)
A. Yes B. No
Solve the problem.For what value of x is the slope of a line tangent to the curve of 
equal to the slope of a line tangent to the curve of 
A. x = 1 B. x = -1 C. x = 0 D. x = 7
Find the inverse function of f. State the domain and range of f.f(x) = 
A. f-1(x) = 
; domain of f: {
x ? -5}; range of f: {
y ? - 3}
B. f-1(x) = 
; domain of f: {
x ? -5}; range of f: {
y ? 3}
C. f-1(x) = 
; domain of f: {
x ? -5}; range of f: {
y ? 5}
D. f-1(x) = 
; domain of f: {
x ? -5}; range of f: {
y ? 
}
Solve the problem.The half-life of carbon-14 is 5700 years. Find the age of a sample in which 8% of the radioactive nuclei originally present have decayed.
Fill in the blank(s) with the appropriate word(s).