Let f(x)=√x^2 - 64. Evaluate the function f(-x). What conclusion can be made? a.) The function is an odd function.
b.) The function is both an even and an odd function.
c.) The function is an even function.
d.) The function is neither an even nor an odd function.

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  c.) The function is an even function.

Step-by-step explanation:

Either way you interpret the given function, you have ...

  f(-x) = √(-x)^2 -64 = √x^2 -64

  f(-x) = f(x) . . . . the function is an even function (only)

2. angles qrt and qst both measures 156 degrees.

step-by-step explanation:  

we have been given a diagram of a circle and we are told that measure of arc qvt is 156 degrees.  

we can see from our given diagram that angle qrt and angle qst subtends to arc qvt.

since we know that angles subtended by the same arc at the circumference are always equal.

by angle subtended by same arc theorem, measure of angle qrt and angle qst will be equal to the measure of arc qvt.

therefore, angles qrt and qst both measures 156 degrees and 2nd statement is the correct choice.