Solve.Let f(x) = 
+ 
. Find x so that f(x) = 1.
A. 6
B. 9
C. 6, -9
D. -6, 9
Answer: D
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Which of the following figures is mapped onto itself by a 90 deg rotation around the point of intersection of its diagonals?
(a) a rhombus. (b) a rectangle. (c) A parallelogram. (d) A pentagon. (e) None of these is correct.
Simplify the expression. Write the answer with only positive exponents. Assume that all variables represent positive real numbers.
A. 48/25m4
B. -26/5m3
C. 28/5m3
D. 
Find the median for the set of data values.The number of minutes Eric spent training in each of the past seven weeks: 89, 13, 226, 120, 287, 249, 235
A. 226 min B. 235 min C. 174 min D. 120 min
Assume that y is directly proportional to x. Use the given x-value and y-value to find a linear model that relates y and x.
?
?
A. 
B. 
C. 
D. 
E. 