Evaluate the algebraic expression for the given value or values of the variable(s).2(x + 1) + 21;
x = -4
A. 7
B. 35
C. -15
D. 15
Answer: D
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(1, 1)}
B. infinitely many solutions; { x + y = 6} or {
x = -y}
C. {(1, 5)}
D. no solution; ?
Solve.Integrate by multiplying the numerator and denominator by 1 + cos x.
A. tan x - csc x + C
B. cot x - sec x + C
C. - cot x - + C
D. - cot x - csc x + C
Find the circumference and area of a circle having the given diameter or radius. Use 3.14 for ?. Round your results to the nearest tenth.r = 5.5 cm
A. 34.5 cm; 34.5 cm2 B. 34.5 cm; 95 cm2 C. 17.3 cm; 69.1 cm2 D. 17.3 cm; 379.9 cm2
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = (x + 5)4 + 3
A.
B.
C.
D.