Use a graphing utility to find the inverse, if it exists, of the matrix. Round answers to two decimal places.
A. 
B. 
C. 
D. 
Answer: B
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Find the indicated composition.f(x) = 5
; g(x) = 2x + 7Find (g ? f)(x).
A. (g ? f)(x) = 10
+ 7
B. (g ? f)(x) = 5
C. (g ? f)(x) = 5
+ 7
D. (g ? f)(x) = 5
Use a sum or difference identity to find the exact value.sin 15°
A. 
B. 
C. 
D. 
Write an equation of the line passing through the given points.(2, -10) and (8, -52)
A. y = - 
x - 
B. y = 7x - 24
C. y = 
x - 
D. y = -7x + 4
Suppose two dice (one green, one red) are rolled. Consider the following events. A: The red die shows 2. B: The numbers add to 4. C: At least one of the numbers is 2. D: The numbers do not add to 9. Express the following in symbols.
?
"Either the numbers do not add to 4, or they add to 9, or at least one die shows 2".
?
Use the symbol "
" for the complement of the event. For example, complement of the event E would be 
.
What will be an ideal response?