Use a calculator to find the value of the expression rounded to two decimal places.cos-1 
A. 70.53
B. 0.34
C. 19.47
D. 1.23
Answer: D
Mathematics
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Solve the initial value problem.
= 
, x > 1, y(2) = -2?
A. y = 5 sec-1 x
B. y = 5 sin-1 x - 2?
C. y = 5 sec-1 x - 
?
D. y = 5 csc-1 x + 
?
Mathematics
Determine which region, I through VII, the indicated element belongs.Determine in which region of the Venn diagram the letter in question would be placed.
r
A. V B. III C. I D. VIII
Mathematics
Factor the polynomial. If the polynomial is prime, so state.x2 - x - 45
A. (x - 45)(x + 1) B. (x - 5)2 C. (x + 5)(x - 9) D. prime
Mathematics
Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 + 8x
A. (4, 16); x = 4 B. (-4, -16); x = -4 C. (-16, 4); x = -16 D. (16, -4); x = 16
Mathematics