Rewrite the number or expression as requested.3,836,000,000 (Rewrite in scientific notation.)
A. 383.6 ? 107
B. 3.836 ? 106
C. 3836 ? 10-6
D. 3.836 ? 109
Answer: D
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The function f is one-to-one. State the domain and the range of f and f-1. Write the domain and range in set-builder notation.f(x) = 
A. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
B. f(x): D is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
C. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
Mark as true any statement that is always true. Mark as false any statement that is never true or that is not necessarily true. Be able to justify your answers.
1. If a right triangle has one leg that is 2 cm long and another leg that is 3 cm long, the area of the triangle is 3 cm2 2. All rectangles with the same perimeter have the same area. 3. All parallelograms with the same area have the same perimeter. 4. The perimeter of a 3" by 1" rectangle is 8 sq.in. 5. The area of a right triangle with legs a and b is one-half the area of a rectangle with dimensions a and b.
Multiply.6(-8)
A. -38 B. -96 C. 48 D. -48
Write a system of inequalities whose solution set is the region shown.
A. x2 + y2 ? 16 x ? 0 B. x2 + y2 ? 16 y ? 0 C. x2 + y2 ? 16 x ? 0 D. x2 + y2 ? 16 x ? 0