Simplify the expression.8log8(6x + 7)
A. 8(6x + 7)
B. 1
C. 6x + 7
D. 8
Answer: C
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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceAn ideal projectile is launched from the origin at an angle of ? radians to the horizontal and an initial speed of 
Find the position function r(t) for this projectile.
A. r(t) = (175t sin ? - 16t2)i + (175t cos ?)j B. r(t) = (175t sin ?)i + (175t cos ? - 16t2)j C. r(t) = (175t cos ? - 32t2)i + (175t sin ?)j D. r(t) = (175t cos ?)i + (175t sin ? - 16t2)j
State the number of significant digits and the implied precision of the given number.26,000
A. 2 significant digits, precise to the nearest 1000 B. 2 significant digits, precise to the nearest 10,000 C. 5 significant digits, precise to the nearest 1000 D. 5 significant digits, precise to the nearest unit
Use the distributive property to multiply. Then, if possible, simplify the resulting expression.4(a + b)
A. 4ab B. 8ab C. 4a + 4b D. 4a + b
Find an equation of the line tangent to the given curve at the point (a, f(a)). f(x) = 7e4x , a = 0
A. y = -28x + 7 B. y = 7x + 7 C. y = 28x + 7 D. y = 4x + 7