Solve the problem.The table below gives the number of births, in thousands, to females over the age of 35 for a particular state every two years from 1994 to 2010.
Use technology to find the quartic function that is the best fit for this data, where x is the number of years after 1994. According to the model, when will the number of births to females over the age of 35 first reach 80,000?
A. 2013
B. 2016
C. 2014
D. 2015
Answer: A
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Solve the problem.Find all points of the graph of f(x) = 3x2 + 9x whose tangent lines are parallel to the line y - 63x = 0.
A. (10, 390) B. (11, 462) C. (12, 540) D. (9, 324)
Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A.
B.
C. no solution; ?
D. infinitely many solutions; { y = 4x + 4} or {
y = 9x + 5}
Use the product-to-sum formulas to rewrite the expression as the sum or difference of two functions.cos ? sin
?
A. cos
? +
cos
?
B. cos
? -
cos
?
C. sin
? +
sin
?
D. sin
? -
sin
?
Solve for the requested quantity.Find c. Round to the nearest hundredth if necessary.
A. c = 1093.37 m B. c = 1079.8 m C. c = 1073.37 m D. c = 1106.02 m