Use an Euler diagram to determine whether the argument is valid or invalid.Some cars are considered sporty.Some cars are safe at high speeds.Therefore, Some sports cars are safe at high speeds.
A. valid
B. invalid
Answer: B
Mathematics
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Match the equation to the correct graph.y = 2(x - 4)2 - 3
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Use the product properties of summations to rewrite 
.
A. -5i2
B. -5 
i2
C. -5 
i
D. -5i
Mathematics
Assume that 0 < ? < ?/2. Find an expression for the indicated trigonometric function.Let x = 3 sin ? in 
. Find tan ?.
A. 
B. 
C. 
D. 
Mathematics
Find the x- and y-intercepts of f.f(x) = 4x4(x + 7)3
A. x-intercepts: 0, 7; y-intercept: 4 B. x-intercepts: 0, -7; y-intercept: 0 C. x-intercepts: 0, 7; y-intercept: 0 D. x-intercepts: 0, -7; y-intercept: 4
Mathematics