Solve.The sum of the squares of the digits of a positive two-digit number is 61, and the tens digit is 1 more than the units digit. Find the number.
A. 54
B. 65
C. 45
D. 56
Answer: B
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You want a linearization that will replace the function over an interval that includes the point x0. To make your subsequent work as simple as possible, you want to center the linearization not at x0 but at a nearby integer x = a at which the function and its derivative are easy to evaluate. What linearization do you use?f(x) = 
, x0 = 5.9
A. 
+ 
x
B. 
+ 
x
C. 
+ 
x
D. 
+ 
x
In the following question(s), FN represents the Nth Fibonacci number.Using scientific notation, the value of F500 is approximately 1.394 × 10104. Use the fact that FN ? ?FN-1 to approximate the value of F499.
A. 8.616 × 10103 B. 2.618 × 10104 C. 6.956 × 10103 D. 1.618 × 10104 E. 2.255 × 10104
If 
find the domain of 
(x).
What will be an ideal response?
Solve the problem.Rationalize the numerator of 
and simplify.
A. 
B. 7(
+ x)
C. 
D. 