Use formulas to find the area of the plane region.
A. 0.132 cm2
B. 0.0132 cm2
C. 0.0495 cm2
D. 0.48 cm2
Answer: B
Mathematics
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Solve for the specified variable.
+ 
= 
for c
A. 
B. ab(a + b)
C. 
D. a + b
Mathematics
The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.-1, 1, 3, 5, 7, ...
A. an = n + 2 B. an = 2n - 3 C. an = 3n - 2 D. an = -1(2)n-1
Mathematics
Use Cramer's rule to solve the system. If D = 0, use another method to complete the solution.x - y + z = 1x + y + z = -9x + y - z = -7
A. ? B. {(-1, -3, -5)} C. {(-3, -1, -5)} D. {(-3, -5, -1)}
Mathematics
Determine whether the function is a polynomial function, a rational function, a radical function, or an exponential function.f(x) = 5x + 2
A. Polynomial B. Rational C. Radical D. Exponential
Mathematics