Question Function Evaluate the derivative Find the domain Find the t-intercept/zero Load more h′=−25600t3 Evaluate h=−16t2×80t2×5Simplify More Steps Evaluate −16t2×80t2×5Multiply the terms More Steps Evaluate 16×80×5Multiply the terms 1280×5Multiply the numbers 6400 −6400t2×t2Multiply the terms with the same base by adding their exponents −6400t2+2Add the numbers −6400t4 h=−6400t4Take the derivative of both sides h′=dtd(−6400t4)Use differentiation rule dxd(cf(x))=c×dxd(f(x)) h′=−6400×dtd(t4)Use dxdxn=nxn−1 to find derivative h′=−6400×4t3Solution h′=−25600t3 Show Solution Solve the equation Solve for h Solve for t h=−6400t4 Evaluate h=−16t2×80t2×5Solution More Steps Evaluate −16t2×80t2×5Multiply the terms More Steps Evaluate 16×80×5Multiply the terms 1280×5Multiply the numbers 6400 −6400t2×t2Multiply the terms with the same base by adding their exponents −6400t2+2Add the numbers −6400t4 h=−6400t4 Show Solution Graph