Solve the equation.-7x + 2 + 5x = -2x + 7
A. {-2}
B. all real numbers
C. {5}
D. no solution
Answer: D
Mathematics
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Find the derivative of y.y = -2t3 tanh 
A. -6t2 tanh 
+ 4 sech 
B. -6t2 tanh 
+ 4 sech2 
C. -6t2 tanh 
- 4 sech2 
D. -6t2 tanh 
+ 2 sech2 
Mathematics
Factor when possible.128x4 - 250x
A. (8x2 - 10)(16x2 + 25) B. 2x(64x - 5)(x2 + 20x + 25) C. 2x(4x + 5)(16x2 - 20x + 25) D. 2x(4x - 5)(16x2 + 20x + 25)
Mathematics
Write the expression in exponent form.-2(x)(x)(x)(x)
A. -(2x)4 B. (-2x)4 C. -2x4 D. -2(4x)
Mathematics
Simplify.48 ÷ 0 + 24
A. 2 B. 72 C. 24 D. undefined
Mathematics